Valtomycin
美吡四环素, 甲吡四环素
🗣️ 情景例句
That's us, Susan.
那正是我们， Susan。
It's my treat this time.
这次我请客！
But I'm worried about his Chinese.He may fall behind the other students when he comes back.
但我担心他的中文。等他回来后，他可能会落到其他同学后面。