grass 是可数名词吗？为什么,grass是可数名词还是不可数名词？

网友回答

grass是一种种属名词吧看例句:
　　An expanse of ground, such as a lawn, covered with grass or similar plants.
　　应该是不可数的
　　另外还有动词词性
　　去下个金山词霸吧,还是挺方便的

网友回答

grass（不可数名词）草,草地，大麻；grasses表示多种类的草；grass（可数名词)告密者,揭发者。如：
　　Small things stirred in the grass around the tent. 一些小东西在帐篷四周的草丛里窸窸窣窣地动着。
　　In the old days, there were strict fines for walking on the grass or missing a study period. 过去，踩踏草坪或旷课都会被重金处罚。
　　The lawn contained a mixture of grasses. 草坪上生长着各种青草。
　　I started smoking grass when I was about sixteen. 我大约16岁的时候开始吸大麻。
　　His friends had begun to suspect that he was a grass. 他的朋友开始怀疑他是告密的人。
　　I know these grasses. 我认识这些告密者。