Nanoencapsulation
毫超微包囊法
🗣️ 情景例句
Where are the toys hidden away?
那些玩具藏在什么地方？
How long have you lived here?
你住在这里多久了？
It is used by travellers and business people all over the world.
在世界各地的旅行者及商人都用英语。