Concn
abbr. concentration 集中; 集合; 专心; 浓缩
🗣️ 情景例句
I always eat three square meals a day.
我总是每天三顿饭都好好吃。
I'm coming.
我来啦。
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。