Bichlorid
n. 二氯化合物
🗣️ 情景例句
Yeah, Grandpa,
对呀， 爷爷。
How long will it take you to repair it?
你要多久才能修好它？
It is bacteria that have generated the oxygen we breathe on earth.
正是细菌生产出我们在地球上呼吸的氧气。