Pentylene
戊二 烯
🗣️ 情景例句
Well, Marilyn and Richard called.
好啦 Marilyn和Richard打电话来了
Joy to the world!
给这个世界欢乐！
We can read of things that happened 5,000 years ago in the Near East,
我们从书籍中可读到5，000 年前近东发生的事情，