Cationogen
[医] 阳离子发生物
🗣️ 情景例句
Would you please try to keep quiet at this hour?
这么晚了，你能不能尽量保持安静。
As you all know, doing business is not an easy thing to do.
大家都知道，做生意并不是一件容易的事。
I'm hoping to get to your showroom.
我打算到你们的展示中心看看，