白云在英语中叫做"white clouds"。白云一词来自汉语，它的汉语读音是"báiyún"。例句：

The sky is clear and blue, with white clouds floating lazily overhead. (天空晴朗，蓝色如水，上空漂浮着懒洋洋的白云。)

I love watching the white clouds drift by on a sunny day. (我喜欢在晴天看着白云漂流过去。)

She pointed at the white clouds in the sky and asked her son what they were. (她指着天空中的白云问她的儿子那是什么。)

希望这些例句对您有帮助！