管理员摘要：
We painted over the dirty marks on the wall. 我们把墙上的脏印子用油漆盖上了。 Terry crammed the dirty clothes into his bag. 特里把脏衣服塞进了包里。 Dirty hands can be a breeding ground for germs. 脏手会滋生病菌。……
We painted over the dirty marks on the wall.
我们把墙上的脏印子用油漆盖上了。
Terry crammed the dirty clothes into his bag.
特里把脏衣服塞进了包里。
Dirty hands can be a breeding ground for germs.
脏手会滋生病菌。