Heptane
n. [化]庚烷
🗣️ 情景例句
I came to spend some time with my favorite nephew.
我来是为了和我心爱的侄儿相聚一些时间。
Does he go out with the boy whose aunt is an operator?
与他在一起那男孩的姑妈是接线生。
What is it? asked the man.
“什么事？”楼上人问。