| 单词 | pulsate |
| 释义 | pulsate /pul"sayt/, v.i. , pulsated, pulsating. 1. to expand and contract rhythmically, as the heart; beat; throb. 2. to vibrate; quiver. [1785-95; < L pulsatus, ptp. of pulsare to batter, strike, make (strings) vibrate. See PULSE1, -ATE1] Syn. 1. pulse. PULSATE, BEAT, PALPITATE, THROB refer to the recurrent vibratory movement of the heart, the pulse, etc. To PULSATE is to move in a definite rhythm, temporarily or for a longer duration: Blood pulsates in the arteries. To BEAT is to repeat a vibration or pulsation regularly for some time: One's heart beats many times a minute. To PALPITATE is to beat at a rapid rate, often producing a flutter: to palpitate with excitement. To THROB is to beat with an unusual force that is often associated with pain or heightened emotion or sensation: to throb with terror. |
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