Retrofitting
n. 改装
✅ 同义词
🗣️ 情景例句
I don't-like-people asking me for money.
我不喜欢问我要钱的人。
I got my leg broken.
我跌断了脚。
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。