新概念英语第18课 lined up against thw wall,there were long thin wires attached to metal spheres.这个句子中 lined up against thw wall
问题描述：
新概念英语第18课 lined up against thw wall,there were long thin wires attached to metal spheres.这个句子中 lined up against thw wall,是过去分词作状语吗?还是作定语?为什么要提前呢?修饰的是long thin wires
答
句子结构如下：——过去分词短语状语：lined up against the wall= When the wires were lined up against the wall,意思是“当把线路靠着墙壁铺设起来以后”.放在句首得分词短语一般用来作时间、原因或条件状语,它...