拆分記憶法：

云cloud聚集在一起的 + y 構(gòu)成形容詞，表性質(zhì) -> cloudy 多云的

adj. 多云的；陰天的；愁容滿面的

It's cloudy. It is going to rain.

天氣多云，要下雨了。

Cloudy days are bad for traveling.

陰天不適合旅行。

It was cloudy for most of the day.

這天中大部分時候都陰天。

Cloudy days are bad for traveling.

陰天不適合旅行。

It was a really cloudy morning.

這是個多云的早晨。