按这种方式使用的二极管叫做整流管.A diode used in this manner is called a rectifier.整流器;整流管:一种将交流电流转化为直流电流的装置, 如二极管.A device, such as a diode, that alternating current to direct current....
Police keep track of the kidnapper using electronic surveillance equipment.警方利用电子监视设备跟踪绑架者。With eleven thousand employees, it's very difficult to keep track of them all.对于一支1.1万人的员工队伍，很难及时了解到所有有人的动态。Keep track of ta...
The magi brought valuable gifts, but that was not among them.麦琪带来了宝贵的礼物, 但就是缺少了那件东西.One of his most popular is a Christmas tale called The Gift of the Magi.其中最为人津津乐道的故事便是《圣诞礼物》.According to Herodotus, the Magi were the s...