“烷烃”造句

甲烷和丙烷是烷烃。
Methane and propane are alkanes.

某碳氢化合物已知可能是烯烃或是烷烃.
A hydrocarbon was known to be either an alkene or alkane.

直链烷烃使机器的 “ 爆震 ” 问题更加严重.
The straight - chain alkanes exacerbate the problem of engine " knock ".

• #烷烃