Heptane
n. [化]庚烷
🗣️ 情景例句
Involve the entire family in a reading project.
让整个家庭都参与阅读计划。
We've got to report back to the head office.
我们还要回去向总部汇报情况呢。
Yes, it is. Why don't you take off your sweater?
是啊，你何不脱了羊毛衫呢？