Tetramyl
四环素亚甲赖氨酸
🗣️ 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。
Keeping is harder than winning.
创业不易，守业更难。
OK, Jim.
那就叫你吉姆吧。