Heptane
n. [化]庚烷
🗣️ 情景例句
doing a commercial.
正在做广告。
You're asking for it.
自讨苦吃。
that is something like 6,000,000 spiders of different kinds on a football pitch.
这就是说，在一个足球场上约有600万只不同种类的蜘蛛。