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
Keep right unless overtaking.
要靠右驾驶,除非超车。
What day is today?
今天是星期几?
Winter was coming on and the hills threatened the surrounding villages with destruction, for heavy rain would not only wash away the soil but would cause serious floods as well.