请问Ground for pool 是什么东西?与Cover for pool有什么不一样?
in the pool at the pool 有什么区别?
请问pool 的意思是什么呢?
We went for a swim at the pool last Friday afternoon 的同义句是什么
pool和pond有什么区别
pond和pool有什么区别
pool.这个英语是什么
The swimming pool looked ------------and we went for a swim.
翻译Overseas schools prepare hooks for pool of students
in the pool和at the pool有什么区别[详细点]
pond与pool的区别
dash for cover 什么意思
pond,pool在英语中有什么区别?