n. 圈,环;[医]宫内避孕环;回路;弯曲部分;
vt.& vi. (使)成环,(使)成圈;以环连结;使翻筋斗;
🗣️ 情景例句
It's crazy here most of the time.
这儿经常吵吵闹闹。
I won't check this baggage
这件行李我不托运。
it requires 97 per cent less energy to travel the quarter of a million miles from the Moon to Earth-orbit than the 200 mile-journey from Earth's surface into orbit!