fall back片語動詞KK [fɔl bæk] /fɔl bæk/發音片語動詞1後退、撤退、退卻The troops were ordered to fall back to a safer position.部隊接到命令，撤退到較安全的位置。2回落、下跌Share prices fell back sharply after the announcement.消息公布後，股價大幅回落。3依靠、求助於與 on 連用If the business fails, she can fall back on her savings.如果生意失敗，她還可以靠自己的積蓄。4撥慢美式The clocks fall back one hour this weekend.這個週末時鐘要撥慢一小時。名詞1備用方案、退路We need a fallback in case the main supplier cancels.萬一主要供應商取消訂單，我們需要一個備用方案。顯示全部 6 個義項形容詞1備用的、應急的The team prepared a fallback plan before the launch.團隊在發布前準備了一套備用計劃。