Hemoferrometer
[医] 血[液]铁[量]计, 血铁测定器
🗣️ 情景例句
That's like closing the gate after the horse has bolted.
那无异于马后炮。
I'm working on it.
我正在努力。
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。