这组词都有“弱”的意思,其区别是:
invalid: a.不正确的,缺乏证据的;无效的,作废的。作名词时,表示病弱者,伤残者,久病者。
➤ Your ideas about the first humans are interesting but invalid.
你关于最早的人类的观点很有意思,但是缺乏证据。
➤ A bad car accident made him an invalid.
一次严重的车祸使他变成了残疾。
crisp: a.指食品的松脆;清新的,爽快的;活跃的,有生气的,干净利落的。
➤ crisp biscuit
松脆的饼干
➤ The student gave a clear, crisp answer to the teacher's question.
学生干净利落地回答了老师的问题。
fragile: a.常常修饰使用时必须小心才不会破碎的东西,也引申为体弱的,虚弱的。
➤ He 's feeling a bit fragile after last night's party.
他参加了昨晚的聚会以后,现在感觉有些虚弱。
brittle: a.易碎的,易损坏的,通常是指坚硬的东西。
➤ The bones of elderly people become brittle and easily broken.
老年人的骨头变得脆弱,很容易骨折。
frail: a. (指人)体弱的,虚弱的,也可以指东西易碎的。
➤ His mother has grown old and frail.
他母亲已经年老体弱。
这是一组在考研和CET-6中经常出现的形近易混词。
transfer: n.转移,转让;(工作的)调动;(旅途中的)换乘,改变路线。
➤ The club's goalkeeper isn't happy here, and has asked a transfer.
这个足球俱乐部的守门员在此过得不愉快,已经要求转会到其他俱乐部。
transaction: n.交易行为,处理。
➤ Transactions of shares on the stock exchange were up today.
今天证券交易所的股票成交额上升了。
transition: n. (从一种情况到另一种的)过渡,更替。
➤ The transition from high school to college can be difficult for students.
对于学生来说,从中学到大学的过渡会是困难的。
transmission: n.传播(比如疾病);广播。
➤ The transmission of germs can occur by contact, breathing, and eating.
细菌通过接触、呼吸和饮食传播。
transformation: n. (外观或性质的)改变,改观,转变。
➤ His character seems to have undergone a complete transformation since his marrige.
他结婚之后性格判若两人。