Dithionite
连二亚硫酸盐
🗣️ 情景例句
I didn't quite catch your name.
对不起，我没听清楚你的名字。
He failed the examination but he didn't seem to care.
他考试不及格却似乎并不在乎。
Don't you remember?I had to water it every day.
你记得了吗？我不得不每天浇水。