| 词汇 | ascertain |
| 释义 | ascertain /ˏasɚ`ten/ (过去式: ascertained; 过去完成式: ascertained; 现在进行式: ascertaining) v.t. To make certain; find out; determine definitely by test or examination. 确定；探知；查明；证实。 I ascertained that he was not here. 我确定他不在这里。 derivatives adj. ascertainable. n. ascertainment. |
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