Pyrosulfite
焦亚硫酸盐[酯]
🗣️ 情景例句
How well do I speak English?
我的英文说得怎样？
It is no good hen that cackles in your house and lays in another's.
这样的母鸡可不好：在你家里咯咯叫，却到别家去下蛋。
to work or worry about trifling things at the weekend.
在周末再让他们为琐事而动脑子和忧虑。