Cationogen
[医] 阳离子发生物
🗣️ 情景例句
There are three things that have to be done first, Harry.
首先我们必须做三件事， Harry。
I got many channels on the TV set.
我的电视机有很多频道。
But this does not matter, for, as he has often remarked, one is never too old to learn.
但这没有关系，因为正如他常说的那样，人要活到老学到老。