Prefects
n. 级长( prefect的复数形式 ); 监督生; 高级行政长官; 警察局长
🗣️ 情景例句
He had insufficient sleep.
他睡眼不足。
I'm afraid you will miss your train.
我怕你会错过火车。
Some of this heat near the earth's surfact is used to make electricity.
靠近地表的一部分热量已被用来发电。