Naftalan
[化]萘烷
🗣️ 情景例句
No.
不
A horse stumbles that has four legs.
人有失手日，马有失蹄时。
In the class there are two American girls. They are twins. Their names are Lily and Lucy.
在班上有两个美国女孩，他们是双胞胎，名字叫鲁茜、莉莉。