cloud 是可数名词吗?
问题描述：
cloud 是可数名词吗?
举个例子吧,我会看得懂些.
答
cloud是可数名词
例句:
复数形式: When there are black clouds you can tell it's going to rain.
有乌云的时候,就知道快下雨了.
单数形式: A cloud passed across the sun.
一片云飘过太阳.