Secocubane
拟方烷, 三环辛烷
🗣️ 情景例句
Part of the building for older people,
建筑物中的一部分给老年人用，
Would you please hold the door open for me?
可以请你为我把门拉着吗？
'And where were you at the time?'
“那你当时在什么地方？”