以字母r开头的单词

I could sit and watch the river all day long.

我可以整天坐在这里看那条河。

The general had to get his troops across the river.

将军必须让部队过河。

His guitar makes a noise like a wooden ruler being twanged upon a desk

他的吉他发出一声仿佛木尺弹在课桌上的噪音。

He cracked me on the head with a ruler.

他用尺子猛击我的'头部。

The system ran like a well-oiled machine.

这个系统运行得就像一台上了油的机器。

By that time the new system should be up and running.

到那时这个新系统应该会运转起来了。