Invigilating
v. 监考( invigilate的现在分词 )
🗣️ 情景例句
Glad to see you. Good-bye.
很高兴见到你。再见。
No practice, no gain in one's wit.
吃一堑，长一智。
Because the gravity on the Moon's surface is only a sixth of Earth's
由于月球表面的重力仅是地球表面的1/6-