Turnrounds
n. 突然好转（或恶化）；周转时间（等于turnaround）
🗣️ 情景例句
about five years ago.
大约五年前。
He already has a phonograph,but he doesn't have a radio yet.
他已经有一架留声机，但是他还没有收音机。
We would've called a taxi if Liz hadn't offered us a ride home.
假如李兹不送我们回家，我们就打的了。