U. s. d.
[医] 美国处方集
🧩 词语组成解析
[医] 单位
🗣️ 情景例句
Are you sure?
你确定？
I'm afraid it was a bother for you to do this.
我害怕做这会给你带来麻烦。
We'll try one case of this.
那么，这种的就试一箱吧