Chlorotetracyclin
[建] 氯四环
🗣️ 情景例句
If you cannot make a counter offer, then I'm afraid we can't make a deal.
如果你不还价的话，恐怕我们无法交易。
May I ask you a question?
我能问你个问题吗？
These bags are heavy.
这是些重的盒子。