Collastin
[医] 胶质素
🗣️ 情景例句
He never married.
他没有结过婚。
No man knows when he shall die, although he knows he must die.
纵然知其难免一死，人却难料何时身亡。
On the first lap, Class 3 were in front.
在跑第一圈时，3班在前边。