grass可数吗

　　grass的例句

　　1. I let the horse drop his head to crop the spring grass.

　　我让马低下头啃吃春天的青草。

　　2. The windows overlooked a lawn of tall waving grass.

　　窗户外边是一块草地，高高的草随风摇摆。

　　3. Mr Zuma had a solid reputation as a grass roots organiser.

　　作为一个民众的组织者，祖玛先生名声甚佳。