欢迎光临

我们一直在努力

当这些负电荷距离地面不到100米时,会遇到一股来自地面的正电荷粒子流。

日期: 来源:雅诚德英语网

When a stream of these negatively charged electrons comes within 100 meters of the ground it is met by a stream of positively charged particles that comes up from the ground.

当这些负电荷距离地面不到100米时,会遇到一股来自地面的正电荷粒子流。

句子推荐