Spirocyclane
螺环烷(专指：螺戊烷)
🗣️ 情景例句
What?
什么？
Sorry, She is out. Shall I take a message?
抱歉，她外出了，你要留口信吗？
for it is then almost ready to undertake heavy work and can begin to earn its keep straight away.
这个年龄的象差不多已能干重活，可以很快挣回饲养它的开支。