Preelacin
[医] 前变性弹力蛋白, 前弹力素
🗣️ 情景例句
I know they are.
我知道他们会。
How thick is the ice here?
这儿的冰有多厚？
After breakfast, I sent the children to school and then I went to the shops.
早饭后，我送孩子们上学，然后就去了商店。