ammonia alum

常见例句

Ammonia is a chemical substance.
氨是种化学物质。
Ammonia is a colorless gas with strong smell.
氨是无色并有强烈气味的气体。
You can clarify the water by adding a little alum.
你在水里加一点明矾就能使水净化。
In some ways, an hydrous ammonia is just as Safe to handle as gasoline.
在某种程度上，无水氨使用起来和汽油一样安全。
Tests of the manure showed a high ammonia content.
这种肥料经过化验表明氨的含量很高。