记忆方法
将“certainty”拆分为“cert”和“aint”两部分。“Cert”在英语中常用来表示“确定”（certain），而“aint”则是“isn’t”的缩写，即“不是”。所以，记忆方法可以是：想象“ certainty”是“确定不是不确定”的意思，强调的是某种事情确定性很高，不是不确定的。
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英语词源
- certainty (n.)
- c. 1300, certeynte, "surety, pledge," from Anglo-French certeinté (late 13c.), Old French certainete "certainty," from Latin or Vulgar Latin *certanitatem (source of Old Spanish certanedad); see certain. Meaning "that which is certain" is attested from early 14c.; meaning "quality of being certain" is from mid-14c.
权威例句
- 1. Such attitudes are valueless unless they reflect inner cognition and certainty.
- 这种态度如果不能反映内心的认知和把握就毫无价值。
- 2. Her return to the team now seems a certainty.
- 她的归队现在似乎已成定局。
- 3. I know for a certainty that the company has been bought up.
- 我确实知道公司已经被人收购了.
- 4. It's a dead certainty that this horse will win the race.
- 这匹马在比赛中获胜是必定的.
- 5. I can't say with any certainty where I shall be next week.
- 我不能确切地说下周我在什么地方.