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 not difficult.
这不难。
Don't forget to put stamps on the letter.
不要忘记在信封上贴邮票。
The sorry-looking, blackened figure that emerged, admitted at once that he had tried to break into the shop during the night but had got stuck in the chimney.