Octocyclic compound
[化] 八环化合物
🧩 词语组成解析
🗣️ 情景例句
Your buildings are very large, aren't they?
你们的厂房很大，对吗？
Cindy's sister will arrive in eight days.
辛迪的姐姐八天后将到。
No, it's not him.
不，不是他。