turnaround
noun uk/ˈtɜːn.ə.raʊnd/ us/ˈtɝːn.ə.raʊnd/
(TIME TAKEN)
[ U ] (UK usually turnround)（车辆的）终点装卸时间;周转时间;处理时间
the amount of time taken for something to happen after a vehicle, an instruction, or an order for goods arrives at a place
We'll have to improve the turnaround - three days is too long. 我们必须缩短周转时间——３天时间太长。
Turnaround time for each order is, on average, four days. 处理每张订单的平均时间是四天。
See also: turn something around
(BIG CHANGE)
[ S ] (UK also turnround)（突然）好转，改观，改善
an occasion when a business, plan, or system suddenly becomes successful
The CEO was responsible for the turnaround in the company's fortunes. 公司命运的转变归功于首席执行官。
[ S ] (UK also turnround)根本性的变化，彻底的改变
any change from one thing to its opposite
What a turnaround - they were losing 3–0, they came back to win 4–3. 真是一个大逆转——他们先是0比3落后，可最后却以4比3赢了。