U.s.p.
[医] 美国药典
🗣️ 情景例句
As long as my position here allows me to learn.
只要我的职位允许我学习。
A smart coat is a good letter of introduction.
人要衣装，佛要金装。
it is now possible not only to locate a shoal but to tell if it is herring, cod, or other well-known fish, by the pattern of its echo.
不仅能够确定鱼群的位置，而且可以根据鱼群回声的特点分辨出是鲱鱼、鳕鱼，这是人们所熟悉的其他鱼。