Acrobatism
n. 杂技
🗣️ 情景例句
I would like to open a checking account.
我想开一个支票户头。
My class went camping last summer.
去年夏天我们班去露营了。
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。