氨的读音

为了制造氨。

To make ammonia.

使用氨之前用水稀释它。

Dilute the ammonia with water before you use it.

象一个冰冻的小行星带一样，它的上面布满冰柱及凝固的甲烷及氨。

Like a frozen asteroid belt, it's littered with chunks of ice and frozen methane and ammonia.

What was neat about it is before that time, the predominant species to use for air conditioning or refrigeration was ammonia.

在这之前是很整洁的，之前最主要的用于空调或者冰箱的,物质是氨。

And, not too many people, actually, if you talk to your grandmother or grandfather, there were some refrigerators that were actually made that used ammonia.

但是，并非太多的人，如果你会对你的祖父，祖母谈谈，或许有一些冰箱,实际上是用氨。

One way is to allow these bacteria to grow on a plate that is loaded with antibiotics like Ampicillin.

一种方法,是让这些细菌,在有大量抗生素如氨苄青霉素,的培养基上生长