combustion time的用法和样例：
例句
- Sometimes he had to do his work on his own time.
有时候他要在非工作时间里加班。 - "A sweet temper" is a figurative expression, but "sweet coffee" is not.
"甜蜜的性情"是个比喻的说法，而"甜咖啡"则不是。 - Moreover, burn time to also affect the burnable full, combustion time is short hard full combustion.
另外，燃烧时间也影响燃烧的充分性，燃烧时间短就难以充分燃烧。
