1.to knock out:使昏迷不醒;极度吸引。out是副词,宾语可置于knock与out之间。knockout是由to knock out派生出的名词。如:The prizefighter knocked out his opponent with one punch in the first five seconds of the first round. I...
在《大学英语》精读教材第三册第十单元“The Fantastic Spurt in Tech-nology”课文中有如下几句话: It has been pointed out,for example,that in 6000 BC the fastest trans-portation available to man over long distances was th...