主页 > 专业单词 > 专业四级 >

optional什么意思、怎么读?单词用法、记忆法、发音音标、反义词辨析、词语翻译、例句造句

optional 音标:['ɔpʃənəl]

a. 可选择的, 随意的【化】 选购的
◆记忆方法一:
谐音:阿婆神脑 阿婆神脑。上很多选修课。
◆记忆方法二:
词根词缀记忆法:optional a 可任意选择的(option+al),Opt= choose,表示“选择”
◆记忆方法三:
optional (考频:1)
a.可以任选的,非强制的:Attendance at the lecture is optional. 听不听这个讲座都可以。
【反】compulsory a.强迫的:compulsory courses必修课 optional courses 选修课

◆记忆方法四:
optional a.可以任选的
解析:区分:alternative 两者选一 optional 可任选的,非强制的 compulsory强制的
cheese/butter/choose/choice/select/optional/elect/election/candidate
记忆:
1. cheese n. 干酪 If you don’t work, where does your bread and cheese come? 你不工作的话,靠什么来生活?
2. butter n. 黄油 He is always buttering up the boss. 他总是巴结老板。
3. butterfly n. 蝴蝶 Aren’t the butteflies beautiful! 这些蝴蝶真美!
4. choose v. 选择, 选定 No one was sure why the former Russian president Yeltsin chose Putin as his successor. 没人能肯定为什么当初前俄罗斯总统叶利钦选择普京作为接班人。 choose sth choose sb sth choose sth for sb choose to do sth choose sb as sb choose sb to be
5. choice n. 选择, 精选品, 选择权 adj. 精选的 We had no choice but to strengthen ourselves to meet the challenge of the world. 我们别无选择,必须增强实力来迎接世界的挑战。
6. select To take as a choice from among several se-lect 词根lect表示挑选; vt. 选择, 挑选 We will select some fresh flowers for his birthday. 我们会为他的生日选一些鲜花。
7. optional option-al adj. 可选择的, 随意的. Music is an optional course in Grade 3. 三年级音乐是选修课。
8. elect e-lect vt. 选举 whoever Americans elect their president, the world will approach more disasters if he insists on unilaterism.无论谁当选美国总统,如果他坚持单边主义,世界就将面对更多的灾难。
9. election n. 选举 It’s the year for election again. 又是选举年了。
10. candidate can-did-ate 能够做的人,可作为候选人 n. 候选人 There are only two candidates. Who would you like to vote for? 只有两名候选人,你选哪位?
另类阅读:
In order to win more votes in the election, the candidate selected a butterfly. The butterfly unexpectedly flew over some cheese that he chose for his breakfast into butter. As there was no optional way, he had no choice but to kill the butterfly.
轻松一刻:
Two men went traveling in South Africa. Suddenly, a lion appeared .
The lion watched them at a short distance. The first man took off his feather shoes quickly and put on his running shoes.
The other man saw it and asked with great worry, "It's no use. You can't run faster than the lion."
" Who will run against the lion? It'll be OK when I can ran faster than you."

The optional subjects are usually more interesting than majors.
选修课通常比必修课更有意思。


optional word 任选字 ; 随意选择字; optional stipulation 选择性规定; optional sampling 任意抽样
例句: It is optional with you .
悉听尊便。
例句: If it is difficult to state definitely one or several ports , optional ports can be adopted .

24

假设难以明确写出一个或几个港口,就可以采用选择港这个方法。
英语四级高频词汇大全〔四〕

The goods are optional, but only one.

这些物品是可以任选的, 但只能选一个。



optional word 任选字 ; 随意选择字; optional stipulation 选择性规定; optional sampling 任意抽样
例句: It is optional with you .
悉听尊便。
例句: If it is difficult to state definitely one or several ports , optional ports can be adopted .

24

假设难以明确写出一个或几个港口,就可以采用选择港这个方法。
英语四级高频词汇大全〔四〕

相关标签: