cloud作“云状物、一大群”讲是可数。 cloudn.云；云朵；云状物(如尘雾、烟雾、一群飞行的昆虫)；阴影 Her father\'s illness cast a cloud over her wedding ...
cloudy名词cloud n.云;云朵;云状物(如尘雾、烟雾、一群飞行的昆虫);阴影;忧郁;焦虑;令人忧虑的事 例句 Fog and low cloud cover are expected this afternoo...
