Collastin
[医] 胶质素
🗣️ 情景例句
If someone doesn't buy it before then,
如果在此之前没有人买走的话。
The first step is as good as half over.
第一步的成功等于事情的一半已完成。
I got up early next morning hoping to find that the ants had given up in despair.
第二天早上，我起床后希望看见蚂蚁已因无望而放弃了尝试，