r a o r c s t組成的單詞

可以組成road， coat，roast，cost等單詞，例如：

1、The road was closed to traffic for two days.這條路已經封路兩天了。

2、Turn right at the end of the road.在路的盡頭向右轉。

3、Building a new road here will force house prices down.在這裏修建一條新道路將使房價下跌。