Tetrahydroxide
四羟化物
🗣️ 情景例句
I need a new toothbrush. My old one's worn out.
我需要一支新牙刷。旧的用坏了。
Her life was devoted to caring for the sick and needy.
她一生致力于照顾病人和穷人。
However, this freedom can easily be abused.
然而，这种自由很容易被滥用。