| 词汇 | impulse |
| 释义 | impulse | BrE ˈɪmpʌls, AmE ˈɪmˌpəls | noun ① countable and uncountable (spontaneous urge) 冲动 ▸ to have a sudden impulse to do sth 突然心血来潮想做某事 ▸ to act on (an) impulse 凭一时冲动行事 ② countable (stimulus) 推动力 ▸ an impulse towards economic recovery 经济复苏的推动力 ▸ to give an impulse to sth/doing sth; 促进某事/做某事 ③ countable Physiology 神经冲动 ▸ nerve impulses 神经冲动 ④ countable Electricity 脉冲 ▸ an electrical impulse 电脉冲 |
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