Bisulphide
n. 二硫化物
✅ 同义词
🗣️ 情景例句
Have you ever been there?
你去过那儿吗？
Which one is easier?
哪一个是较简单的？
Some people on the bank called out to the man in the boat, but he did not hear them.
岸上的一些人对着小船上的人高喊，但他没有听见。