Ethanthiol
己二硫醇
🗣️ 情景例句
Yes, …is here. Please hold a minute.
是，……在这儿。 请等一下。
If he doesn't pay him, I will.
如果他不，我将付给他。
Sometimes, my grandma decides to buy one big birthday present for both of us.
有时，奶奶决定给我俩就买一件大生日礼物。