turnaround
/ˈtɜːnəˌraʊnd/(亦作turnround)
noun
1
- an abrupt or unexpected change, especially one that results in a more favourable situation突然好转, 转机：
it was a remarkable turnaround in his fortunes.
这是他财富方面的一次非凡转机。
2
- the process of completing or the time needed to complete a task, especially one involving receiving something, processing it, and sending it out again周转时间：
a seven-day turnaround.
七天的周转时间。
2.1
- the process of or time taken for unloading and reloading a ship, aircraft, or vehicle（船、飞机、车辆货物的）装卸时间。
3
- N. Amer. a space for vehicles to turn round in, especially one at the end of a driveway〈北美〉（车辆）回转场, 回车道。