Epithelisin
上皮新(成药)
🗣️ 情景例句
All right. Please hold two orchestra seats for us.
好，请帮我们保留两张前排的座位。
This is my first year of college . I'm a freshman.
这是我的大学第一年。 我是一个大一学生。
The Wayle is a small river that cuts across the park near my home.
威尔河是横穿过我家附近公园的一条小河。