1、To misfire, as an internal-combustion engine.
點不著火，如內燃機

2、To fail to ignite when expected. Used of an internal-combustion engine.
不點火當希望點火時點火失敗，用于內燃機

3、a boat propelled by an internal-combustion engine
用內燃機推動的小船。

4、a four-stroke internal-combustion engine without reciprocating parts
四擊內燃機沒有往復的部分。

internal-combustion翻譯