Cder
[医]Center of Drug Evaluation and Research
🗣️ 情景例句
Dear Mr. Billet.
尊敬的比利先生。
Don't mention it. I hope you can come again soon.
不用谢，希望你不久能再来。
I can hear something! said Lucy.Does anybody live on this island?
“我听到什么东西了！”露茜说，“岛上有人居住吗？”