Definitions

[1] n. 冲动, 驱使, 刺激, 推动, 冲力, 建议, 脉冲

[2] vt. 推动

[3] [化] 脉动

[4] [医] 冲动, 搏动

[ 'impʌls ]

1. Sharks are sensitive to electrical impulses as well as sound.
   鯊魚對電子信號和噪音很敏感。
2. I felt an impulse to cry out loud.
   我突然好想大叫。
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