记忆方法
1、val- "be strong" + -id.
2、含义：strong, effective, having force in law, legally binding, supported by facts or authority.
3、valid + -ity.
2、含义：strong, effective, having force in law, legally binding, supported by facts or authority.
3、valid + -ity.
英语词源
- validity (n.)
- 1540s, from Middle French validité or directly from Late Latin validitatem (nominative validitas) "strength," from Latin validus (see valid).
权威例句
- 1. Scientists are becoming increasingly unsure of the validity of this technique.
- 科学家们越来越拿不准这一技术是否正当合法。
- 2. The criticisms have at least an element of truth and validity.
- 那些批评至少有一丝真实性和合理性。
- 3. The period of validity of the agreement has expired.
- 本协议的有效期已过。
- 4. The tests have been shown to be of dubious validity.
- 这些试验的有效性已显得令人怀疑.
- 5. I would question the validity of that assumption.
- 我会质疑那个假设的正当性.
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