Dithionite
连二亚硫酸盐
🗣️ 情景例句
Oh, how do you do, Xiao Fu. This is Mary.
哦，你好，小付。我是Mary。
Why didn't you like housekeeping so much?
为什么你那么不喜欢家务？
Li Lei went into the school and found Miss Zhao in the school library.
李垒走进学校，在学校图书馆里找到赵小姐。