在半导体收音机中晶体管代替了真空管.In semiconductor receivers transistors take the place of vacuum tubes.与老式真空管相比,晶体管具有许多优点.Transistors have many advantages over the old - fashioned vacuumtube valves.真空管或显影管都未破碎.No vacuum or picture tube...
拼写发音相同但意思不同的两个单词是同形同音异义词.Two words are homonyms if they are pronounced or spelled the same way but have different meanings.发音相同拼写和意思不同的两个单词是同音异义词.Two words are homophones if they are pronounced the same way but differ in...
英国媒体掌握在一群排外的人手中。The British media is in the hands of clubby men.政治是排外的，充满野心的，只顾自己不顾他人的。Politics is clubby, careerist, and cynical.医院是非常狭隘排外的地方。Hospitals are very incestuous places....
Any unexpected circumstance that arises may catalyze a sudden escalation of violence.任何突如其来的情况都可能造成暴力骤然升级。They are highly specific for the reactions that they catalyze.它们对被它们催化的反应有很强的专一性.Any of a group of enzymes that ca...