drop out什么意思,翻译器拍照扫一扫免费版在线翻译

[英][drɔp aut][美][drɑp aʊt]

离开，退出;掉出;脱扣;违世

[例句]Clinical trials are difficult-patients often wander off or drop out. 临床试验很难，患者经常会犹疑或退出试验。