pulsate
/pʌlˈseɪt/verb
no obj.
1- expand and contract with strong regular movements（很有节奏地）舒张及收缩, 搏动, 跳动：
blood vessels throb and pulsate.
血管有规律地搏动着, 时张时缩。
1.1
- often as adj. pulsating produce a regular throbbing sensation or sound产生有规律的颤动感（或颤动声音）：
a pulsating headache.
脉冲性头痛。
1.2
- usu. as adj. pulsating be very exciting令人激动不已：
victory in a pulsating semi-final.
在激动人心的半决赛中获得的胜利。
派生词
pulsation
nounpulsator
nounpulsatory
/ˈpʌlsətərɪ/ adjective词源
late 18th cent.: from Latin pulsat- 'throbbed, pulsed', from the verb pulsare, frequentative of pellere 'to drive, beat'.