Lactoserum
抗乳血清
🗣️ 情景例句
I was late because I had a flat tire.
我来晚了，因为我的车坏了。
Eagles fly alone, but sheep flock together.
鹰单飞，羊群集。
We stopped in Moscow on the way, but only for an hour or two, so there was no time to go into the centre of the city.
我们在莫斯科停了一下，但只停了一两个小时，所以没有时间去市中心玩。