Welcome unit单词讲义exchange词性：名词、动词中文意思：交换，交流，交易所英文释义：the act of giving something and receiving something in return; aplace where people buy and sell things, especially stocks and shares词源：来自拉丁语的 "exchangere"，意为 "to change for another"例句：We had a friendly exchange of ideas at the meeting.（我们在会议上进行了友好的思想交流。）固定搭配：exchange rate（汇率），exchange student（交换生），exchangegifts（交换礼物）近义词：trade, swap, barterlecture词性：名词、动词中文意思：讲座，演讲，训诫英文释义：a talk given to an audience in order to teach them about a particularsubject; to give someone a long and serious talk about their behavior oractions词源：来自拉丁语的 "lectura"，意为 "reading"例句：I attended a lecture on climate change last night.（昨晚我参加了一场关于气候变化的讲座。）固定搭配：give a lecture（做讲座），attend a lecture（参加讲座），lecturenotes（讲座笔记）近义词：speech, address, sermonregistration词性：名词中文意思：注册，登记，登记簿英文释义：the process of officially recording someone's name or the details ofsomething in a list or book学科网（北京）股份有限公司


词源：来自中古英语的 "registratioun"，意为 "recording"例句：The registration deadline for the conference is next Friday.（会议的报名截止日期是下周五。）固定搭配：registration form（注册表），registration fee（注册费），onlineregistration（在线注册）近义词：enrollment, signup, entryregister词性：名词、动词中文意思：登记簿，寄存器，登记，记录英文释义：a book or list in which information is recorded; to record informationin a book or list; to have an effect or influence on something词源：来自中古英语的 "registere"，意为 "book, list"例句：Please register your name at the front desk.（请在前台登记您的名字。）固定搭配：register office（登记处），registered mail（挂号信），registeredtrademark（注册商标）近义词：record, enroll, filesex词性：名词中文意思：性别，性交，性欲英文释义：the biological characteristics that determine whether someone ismale or female; sexual intercourse; strong feelings of sexual desire词源：来自古英语的 "sexe"，意为 "gender, nature"例句：The study examined the effects of sex on brain development.（该研究探讨了性别对大脑发育的影响。）固定搭配：sex education（性教育），sex discrimination（性别歧视），sexratio（性别比例）female词性：形容词学科网（北京）股份有限公司


中文意思：女性的，雌性的英文释义：of or relating to the sex that produces eggs or gives birth to young词源：来自拉丁语femina（女人）例句：The zoo has many female lions.固定搭配：female employee（女员工），female role model（女性榜样）近义词：feminine, womanlymale词性：形容词中文意思：男性的，雄性的英文释义：of or relating to the sex that produces sperm or fathers young词源：来自拉丁语masculus（男性的）例句：The school has a large number of male teachers.固定搭配：male dominance（男性主导），male pattern baldness（男性型脱发）近义词：masculine, manlynationality词性：名词中文意思：国籍，民族英文释义：the fact or condition of belonging to a particular nation or country词源：来自拉丁语natio（出生地，家乡）和-nalis（属于……的）例句：What is your nationality?固定搭配：nationality card（身份证），double nationality（双重国籍）近义词：citizenship, ethnicitynation词性：名词中文意思：国家，民族英文释义：a group of people with common language, history, customs, etc.living in a specific area and governed by a government词源：来自拉丁语natio（出生地，家乡）和-ne（表示小或数量）学科网（北京）股份有限公司


例句：The United Nations is an organization of nations.固定搭配：nation state（民族国家），world nation（世界大国）近义词：country, state, ethnic groupdesigner词性：名词/动词中文意思：设计师，设计者英文释义：someone who plans and creates things using their imagination andknowledge of art and design词源：来自英语design（设计）和-er（表示人或物的职业或身份）例句：She works as a fashion designer.固定搭配：interior designer（室内设计师），graphic designer（平面设计师）design词性：名词、动词中文意思：设计，图案，计划英文释义：to plan and create something, a plan or drawing of how somethingwill look or be made词源：来自拉丁语designare，意为“标记，指出”例句：The architect designed the new building.（建筑师设计了这座新建筑。）固定搭配：a well-designed product（设计精良的产品），design a logo（设计一个标志）近义词：plan, scheme, blueprintcampus词性：名词中文意思：校园，大学英文释义：an area of land where a university or college is located, with itsbuildings and facilities词源：来自拉丁语campus，意为“田野”学科网（北京）股份有限公司


例句：I love walking around the campus in the fall.（我喜欢在秋天的校园里散步。）固定搭配：on campus（在校园内），off-campus housing（校外住宿），campuslife（校园生活）近义词：university grounds, school groundsformal词性：形容词、副词中文意思：正式的，正规的，形式上的英文释义：done according to established rules or customs, done in an officialway, not casual词源：来自拉丁语formalis，意为“形式的”例句：She wore a formal dress to the wedding.（她穿了一件正式的礼服去参加婚礼。）固定搭配：formal education（正规教育），formal language（正式语言），formaldinner（正式晚宴）近义词：official, structured, conventionalanxious词性：形容词、副词中文意思：焦虑的，担心的，急切的英文释义：feeling worried or uneasy about something that may happen, eageror excited to do something词源：来自古法语ancien，意为“旧的，过去的”例句：She was anxious about her exam results.（她对自己的考试成绩感到焦虑。）固定搭配：anxious to please（急于取悦），anxious for news（渴望得到消息），anxious wait（焦急等待）近义词：worried, concerned, eagerannoyed学科网（北京）股份有限公司


被打扰的英文释义：feeling annoyed or irritated, causing someone to feel annoyed orirritated词源：来自古英语annōian，意为“
使烦恼”例句：He was annoyed by the loud music.（
他被吵闹的音乐吵得心烦。）固定搭配：be annoyed with someone（对
某人感到恼火），be annoyed at/bysomething（
因某事而烦恼），annoying habit（恼人的习惯）近义词：irritated, bothered, vexedannoy词性：动词中文意思：
使烦恼，使恼怒英文释义：to make someone feel annoyed or angry词源：来自古法语的"anoier"，意为"使
烦恼"例句：The noise from the construction site is really annoying.固定搭配：be annoyed with/at sb. /sth. 对
某人/某事感到烦恼近义词：irritate, bother, vexfrightened词性：形容词中文意思：
受惊的，害怕的英文释义：feeling or showing fear; scared词源：来自古英语的"freolsian"，意为"害怕
的"例句：The loud thunder frightened the little girl.固定搭配：be frightened of sth. 害怕某事近义词：scared, terrified, afraidsenior词性：形容词/名词中文意思：
年长的，高级的学科网（北京）股份有限公司
词性：形容词、动词中文意思：烦恼的，恼怒的，


的"例句：She is a senior executive at the company.固定搭配：senior citizen 老年
人，senior year 高年级，senior management 高层管理近义词：elder, higher-ranking, upperclasssenior high school词性：名词
短语中文意思：
高中（指中国的高中）英文释义：a type of secondary school in China that lasts for three years afterjunior high school and prepares students for university entrance exams词源：
无特定词源，是中国教育体系中的一个阶段例句：I'm currently attending senior high school in Beijing.固定搭配：senior high school entrance exam 高
考，senior high school diploma高
中毕业证书近义词：high school, secondary schoolat last词性：副词
短语中文意思：
最后，终于英文释义：finally; after a long time or delay词源：
无特定词源，是一个常用的表达方式例句：At last, we arrived at our destination after a long journey.固定搭配：at last but not least 最后但同
样重要的是，at last night 昨晚，at lastweek 上周近义词：finally, eventually, in the endoutgoing词性：形容词学科网（北京）股份有限公司
英文释义：(adj.) older in age, rank, or experience; (n.) a student in the finalyear of high school or college词源：来自拉丁语的"senior"，意为"年长


向的，友好的，即将离职的英文释义：(adj.) sociable and friendly; ready to talk to people; leaving one's jobor position soon; (adj.) leaving a place or organization soon词源：来自中古英语的"outgoen"，意为"出去"或"离
去"例句：She is an outgoing person who enjoys meeting new people.impression词性：名词中文意思：
印象，感想英文释义：a feeling or opinion that you form about someone or somethingafter meeting them or experiencing something词源：来自拉丁语impressio，意为
压印、印记例句：My first impression of him was that he was very friendly.固定搭配：give an impression, make a good/bad impression, first impressions,lasting impression近义词：imprint, mark, memoryimpress词性：动词中文意思：
给某人留下印象，使铭记英文释义：to have a strong effect on someone's mind or feelings词源：来自�