清晨寒冷而阴沉，浓云蔽日。

The morning was cold and ___gray, with heavy clouds covering the sky.

天气预报预测又是一个阴沉多雨的周末。

The forecast predicts another ___gray and rainy weekend.

灰暗的天空让整座城市看起来沉闷而毫无生气。

The ___gray sky made the whole city look dull and lifeless.