Except for the transitional elements, valency electrons are in the outermost electron shell.除去过渡元素外, 价电子位于最外面的电子层.Hung believes the electrolyzed water steals electrons from molecules that the bacteria need for survival.黄...
温度调节器设定在150度。The heat dial was set at 150 degrees.在挤那么多人的房间里空气调节器不起作用了.The air - conditioner was ineffective in such a crowded room.精密压力调节器可以维持载汽压力恒定.A precision pressure regulator maintains the carrier - gas pressure co...
The drugs work well at first but gradually lose their effectiveness.这些药的效果起初非常好,但后来逐渐失效.To assert this is to denigrate the effectiveness of the police.坚持这一点就是贬低警方的办事能力.Bad diction marred the effectiveness of his speech.措...