Procollagen
原骨胶原
🔁 扩展释义
【化】 前胶原
🗣️ 情景例句
Today, trade imbalance between the United States and our country is becoming worse.
当前美国与我国间的贸易不平衡问题正日益恶化。
He has a book.
他有一本书。
Wherever there is smoke, there is fire.
无风不起浪。