Tcs
[化] 四环素类抗生素
🗣️ 情景例句
If only we could bottle the fresh air.
要是我们能用瓶子将新鲜空气装回去多好。
This is my second trip to the United States, and I really enjoy staying here.
这是我第二次美国之行，我很喜欢这里。
Sure, just drop in my office some time and pick them up.
没问题，什么时候到我办公室来拿都可以。