the amount of time it takes to do and return a piece of work that you have been given （接活到交活之间的）交付期，时限◆They guarantee a 2-day turnaround for small printing jobs. 他们保证小的印刷活儿是 2 日内完成。
a situation in which sth changes from bad to good 好转；转机；起色◆The past six months has seen a dramatic turnaround in the company's fortunes. 过去六个月中公司的状况出现了戏剧性的好转。
the amount of time it takes to unload a ship or plane at the end of one journey and load it again for the next one （轮船、飞机的）抵达後停航装卸时间