劍橋詞典to be at a low level and not increase 處于低水平的 Have widescreen TV prices finally flatlined? 寬屏電視的價(jià)錢(qián)最終低下來(lái)了嗎？ to stop being popular or successful 處于低谷的，沒(méi)有起色的 Her acting career has flatlined. 她的演藝事業(yè)處于低谷。 to die 死，死亡 返回 flatline