如果我把带正电的东西和带负电的东西都放在，一个气相中，会是什么样呢？

So, what happens if I put pluses and minuses in a gas phase?

youdao

通过不断把带正电荷的钾离子和钠离子压出电池，电池内负电荷数量就会增加。

By pumping positively charged potassium and sodium ions out of the cell, the number of negatively charged ions inside the cells rises.

youdao

被粉碎的部分再次回到传送带上，那里有一个电磁铁，把带铁的东西拿走，剩下的继续前进。

The shredded material goes back on the belt, where an overhead electromagnet removes material containing iron as the waste moves along.

youdao

Let me take you back to the seventeenth century, up to the very beginning of the literary reception of John Milton.

让我把你们带回到17世纪，约翰·弥尔顿刚在文学领域为人所知的时候。

耶鲁公开课 - 弥尔顿课程节选

And, again, that seems to point back to Thrasymachus' point of view in the first book of the Republic.

这又把我们带回到,第一本书《理想国》中,特拉西马库斯的观点上。

耶鲁公开课 - 政治哲学导论课程节选

So this is a little bit negative and this is a little bit positive, which means I could model this by drawing a dipole. This is a dipole.

这边带一点负电,这边带一点正电，这意味着我能把它表示,成一个偶极。

麻省理工公开课 - 固态化学导论课程节选