Biomaterial
n. 生物材料
🗣️ 情景例句
There are three things that have to be done first, Harry.
首先我们必须做三件事， Harry。
Do you work near the library?
你在图书馆附近工作吗？
My holidays passed quickly, but I did not send cards to my friends.
假期过得真快，可我还没有给我的朋友们寄过一张明信片。