Transannular bond
[化] 跨环键; 跨环桥
🧩 词语组成解析
跨环的
🗣️ 情景例句
The leader takes the first ten cards
指挥拿出上面的十张牌，
The bus is bigger than other cars, but too crowded.
巴士虽然比小汽车大，但是太拥挤了。
Yes. I wrote it down on a piece of paper. Here it is!
是的。我写在一张纸上了。在这儿！