grey-blue的用法和樣例：
例句
用作形容詞 (adj.)
- What he saw was blue waves flecked with foam, and paler blue sky, both spreading without a break to the horizon.
無(wú)奈他只能看見(jiàn)帶著(zhù)點(diǎn)點(diǎn)泡沫的藍色海浪和灰藍色的天空，海浪和天空不間斷地延伸到地平線(xiàn)的盡頭。
