wind是风、气味的意思，cloud是云的意思，都是不可数名词。
例句：
The mountains rose above a swathe of thick cloud.
群峰耸立在云海之上。
Which way is the wind blowing?
风朝哪个方向刮？
扩展资料
The day dawned sunless and with a low cloud base.
黎明时天气阴沉，云层压得很低。
Fog and low cloud cover are expected this afternoon.
预计今天下午有雾和低空云层。
The moon was fuller than the night before, but the light was diffused by cloud.
月亮比头一天晚上更圆，但因云层遮掩而月光朦胧。
The wind has changed direction.
风向已经变了。
Wind speeds reached force five.
风速达到了5级。
