Basofor
[化] 沉淀硫酸钡
🗣️ 情景例句
I don't know for sure.
我不太清楚。
What is learnt in the cradle lasts (or is carried) to the grave.
小时学会的事情到老不会忘记。
Nothing much. Only some school work. Why?
没什么事。只有一些作业。什么事？