Cefacetrile
[化] 头孢乙腈
🗣️ 情景例句
I want to thank you in advance.
在此先致谢，请多多关照。
Could I speak to you, please?
我可以跟你谈话吗？
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。