Ascertain
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[编辑] 解释
[编辑] GRE 红宝书
- v. 查明, 确定
- ［英］ v. 查明, 确定 ( to find out with certainty)
- ［记］ as+certain ( 肯定的) -> 弄肯定 -> 确定
[编辑] Webster Collegiate
transitive verb
- Etymology: Middle English acertainen to inform, give assurance to, from Anglo-French acerteiner, from a- (from Latin ad-) + certein, certain certain
- Date: 15th century
- 1. archaic to make certain, exact, or precise
- 2. to find out or learn with certainty
- Synonyms: see discover
- • ascertainable adjective
- • ascertainment noun
