Polycladin
波来克黄素
🗣️ 情景例句
Do you have family in New York?
在纽约有亲人吗？
It is not good to wake a sleeping lion.
睡狮莫惊。
Many of the stars cannot be seen because they are too far away.
许多星星我们之所以看不见，是因为它们离我们太远。