lifelessKK [ˋlaɪfləs] /ˈlaɪfləs/形容詞1死的、沒有生命的、失去生命的The hikers found a lifeless body at the bottom of the ravine.登山客在峽谷底部發現一具屍體。2死氣沉沉的、毫無生氣的The town felt lifeless after the factory closed down.工廠關閉後,這座小鎮顯得死氣沉沉。3呆板的、無精打采的、平淡無味的Her speech was technically correct but completely lifeless.她的演講雖然沒有出錯,卻完全平淡無味。4荒蕪的、不適合生命存活的Scientists once believed the planet's surface was entirely lifeless.科學家曾以為這顆行星的表面完全沒有生命存在。