Mecrocrystalline
粗结晶
🗣️ 情景例句
My doctor advised me to give up smoking without delay.
医生劝我立即戒烟。
I know the boy whose father is a college president.
我知道那个男孩的父亲是大学校长。
She's sitting under the tree.
她正在树荫下坐着。