n. 脈搏;[無線電](電磁波等)脈動;活力;有節奏的跳動(或拍打);
vi. (心臟)跳動;脈動;搏動;震動;
vt. 使跳動;有節奏地驅動(機器等);[電子學]施以脈沖;[無線電]脈沖地調節(電磁波);
pel, puls 表”驅動,推動”
??? 情景例句
The mall's packed today.
今天商場里的人很多。
I don't know what I should have done without your help.
要不是您的幫助,我真不知道該怎么辦。
It has been estimated that the weight of all the insects destroyed by spiders in Britain in one year would be greater than the total weight of all the human beings in the country.