20230328单词汇总

20230328单词汇总
onset n. /ˈɒnset/
[ sing.] the beginning of sth, especially sth unpleasant 开端,发生,肇始(尤指不快的事件)
• the onset of disease/old age/winter 疾病的发作;老年的开始;冬天的来临
· ill-defined
o ADJ If you describe something as ill-defined, you mean that its exact nature or extent is not as clear as it should be or could be. 不清晰的; 不明确的
• ...staff with ill-defined responsiblities. ...员工的职责划分不够清晰。
locus n. /ˈləʊkəs/
( pl. loci/ˈləʊsaɪ/ )
or
( formal ) ( technical 术语) the exact place where sth happens or which is thought to be the centre of sth (某事发生的)确切地点;(被视为某物的)中心,核心
· improvise /ˈɪmprəˌvaɪz/
o 1.V-T/V-I If you improvise, you make or do something using whatever you have or without having planned it in advance. 临时拼凑
• You need a wok with a steaming rack for this; if you don't have one, improvise. 你需要一口带有蒸笼的锅,如果没有就临时凑合一下。
• The vet had improvised a harness. 兽医临时凑成了一套马具。
o 2.V-T/V-I When performers improvise, they invent music or words as they play, sing, or speak. 即兴演奏; 即席演说
• I asked her what the piece was and she said, "Oh, I'm just improvising." 我问她那首乐曲是什么,她说,“哦,我只是即兴演奏。”
• Uncle Richard read a chapter from the Bible and improvised a prayer. 理查德叔叔吟诵了《圣经》中的一个章节,然后即兴说了一段祷告。
ir·rep·ar·able adj. /ɪˈrepərəbl/
( of a loss, injury, etc. 损失、伤害等 ) too bad or too serious to repair or put right 无法弥补的;不能修复的;不可恢复的
• to cause irreparable damage/harm to your health 对健康造成不可弥补的损害
• Her death is an irreparable loss. 她的死是一种无法挽回的损失。
· avail /əˈveɪl/
o 1.PHRASE If you do something to no avail or to little avail, what you do fails to achieve what you want. 徒劳
• His efforts were to no avail. 他的努力是徒劳的。
o 2.V-T If you avail yourself of an offer or an opportunity, you accept the offer or make use of the opportunity. 利用
• Guests should feel at liberty to avail themselves of your facilities. 客人们应可以随意使用你们的设施。
de·mar·ca·tion n. /ˌdiːmɑːˈkeɪʃn/
[ UC] a border or line that separates two things, such as types of work, groups of people or areas of land (工种、人、土地等的)划分,区分,界线
• It was hard to draw clear lines of demarcation between work and leisure. 在工作和闲暇之间很难划出明确的界限。
• social demarcations 社会阶层的划分
strong·hold n. /ˈstrɒŋhəʊld/
1.an area in which there is a lot of support for a particular belief or group of people, especially a political party 有广泛支持的地方;势力强大的地方
•a Republican stronghold/a stronghold of Republicanism 共和党势力强大的地区
2.a castle or a place that is strongly built and difficult to attack 堡垒;要塞;据点
3.an area where there are a large number of a particular type of animal (某种动物的)主要栖息地
•This valley is one of the last strongholds of the Siberian tiger. 这条山谷是西伯利亚虎最后的几个主要栖息地之一。