Normal heptane
[化] 庚烷; 正庚烷
🧩 词语组成解析
n. [化]庚烷
🗣️ 情景例句
Don't be such a moaner.
别老是哼哼唧唧的。
Does it make any difference to you whether we have our lesson at two o'clock or at three o'clock?
我们在两点上课还是在三点上课，你觉得有关系吗？
I'm very much interested in your personal computers.
我对你们的个人电脑深感兴趣。