| 单词 | impetus |
| 释义 | impetus n 1 [U, sing] ~ (to sth/to do sth) thing that encourages a process to develop more quickly 推动; 刺激; 促进 The treaty gave (a) fresh impetus to trade. 这条约使双方的贸易又推进了一步. 2 [U] force with which sth moves 推动力. |
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