Decacyclene
十环烯
🗣️ 情景例句
What time can you send one over?
那你们什么时候能派人来呢？
Which would you prefer, a smoking seat or a non-smoking seat?
你喜欢哪种，吸烟座还是禁烟座呢？
I've got no small change, I am afraid.
恐怕我没有零钱。