Caro's acid
[化] 过一硫酸(H-2SO-5或H-2SO-3[O-2])
🧩 词语组成解析
🗣️ 情景例句
Jogging is a popular form of exercise.
慢跑是一种十分普及的体育活动。
Please say it again.
请再说一遍。
He has made neat paths and has built a wooden bridge over a pool.
他修筑了一条条整洁的小路，并在一个池塘上架了一座小木桥。