Spirocyclane
螺环烷(专指：螺戊烷)
🗣️ 情景例句
Are you ready for a lifetime commitment?
你准备以身相许了吗？
Nice to see you, my old friend.
真高兴见到你，我的老朋友。
You do not have to devise ways of taking your mind off the journey, for an aeroplane gets you to your destination rapidly.
你不必想办法去摆脱旅途的困扰，因为飞机会迅速地把你送到目的地。