Often visible as smog, ozone is forned in the atmosphere from hydrocarbons and nitrogen oxides, two major pollutants emitted by automobiles, react with sunlight.
key: ozoen is formed in the atmosphere when
我的问题是这句话里面的react with sunlight算是什么成分的呢?
react 又是动词,那这样的话一句话里面就有两个动词了啊 ??(is & react)
react with sunlight的主语是hydrocarbons and nitrogen oxides.
is是主句里的动词,而react是从句里的动词。
thx!
看样子我对从句非常的不了解~~~~~~~
从句可以这么用的么?我的理解是two major pollutants emitted by automobiles这是个名字性的结构来补充说明hydrocarbons and nitrogen oxides,可是这样的结构能说是从句么~~~~~还是有点疑惑~~~~~~~~
我得好好补课语法了~~~大脑混乱中~~~~
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