中间: 1.(里面) among; between 短语和例子隐藏在树丛中间 hide among the bushes; 坐在他们两人中间 sit between the two of them; 她是我们三人中间最年轻的。 she is the youngest of us three.2.(中心) centre; middle 短语和例子中间突破 make a breakth
煤气发电机: gas engine driven generatorgas-driven generatorgasenginedrivengenerator
