Spirocyclane
螺环烷(专指：螺戊烷)
🗣️ 情景例句
The organization was beautiful.
组织工作极佳。
Thank you for inviting me to speak at the dinner.
谢谢你邀请我共进晚餐。
This year we are going to help them with the rice harvest.
今年我们准备去帮他们收水稻。