a blue/cloudy/dark sky
藍色/多雲/陰暗的天空
Can you see those birds high up in the sky?
你能看到高空的那些鳥嗎?
We looked up at/into the sky at the sound of the plane.
我們聽到飛機的聲音後抬頭仰望天空。
For weeks we had cloudless blue skies.
好幾個禮拜以來,我們這裡的天空都是晴朗無雲,一片湛藍。
We're off to the sunny skies of Florida.
我們要離開這裡去享受佛羅里達晴朗的天空了。