Cationogen
[医] 阳离子发生物
🗣️ 情景例句
Sounds good. I'll be there at 7.
很好。我7点会到。
An old physician,and a young lawyer.
医生老的好，律师年轻的好。
We have this item in three price levels.
此一品目，我们分三种等级的价格。