“inroads”是“inroad”的复数形式。单词“inroad”既是名词又是动词。字面上是在路里面的意思，当然这肯定不对，而且相去甚远。先猜一下词义，然后再查词典，意外可以让我们更容易的记住单词。

例句：
In Italy, as elsewhere, television has made deep inroads into movies.