Arsenit
[机] 亚砷酸盐
🗣️ 情景例句
I went to the supermarket to get a few things,
我去一趟超级市场， 买了几样东西，
My brothers must help with the house work at home.
我的兄弟在家里必须帮忙做家务。
A little. He fell and hit his leg on a table.But he's OK now.
伤了点儿。他跌倒了，腿撞在桌子上。但是现在已经好了。