Procollagen
原骨胶原
🔁 扩展释义
【化】 前胶原
🗣️ 情景例句
But what do you care about?
但你关心什么呢？
I don't think she cares about what happens to her children.
我认为他并不关心她孩子的事。
Speculations about is nature have been going on for literally thousands of years,
人们对睡眠作用的种种猜测，确实有数千年之久。