Declomycin
去甲基四环素
🗣️ 情景例句
Sorry, I couldn't help overhearing, did you mention something about...
对不起，我无意中听到你们的谈话，你们是不是提到...
A smooth sea never made a skillful mariner.
平静的海洋练不出熟练的水手。
Excuse me, are you American?
你是美国人吗？