Heptane
n. [化]庚烷
🗣️ 情景例句
Strike while the iron is hot.
趁热打铁。
Yes, I worked from early morning until late at night.
是,我从清早工作直到半夜。
When work continued, one man lit a cigarette as he was working, but, finding it had a strange taste, he put it out.
随后他们继续干活，一个工人在干活时点燃了一支香烟。可是他觉得有一股怪味，他就把烟灭了。