at a rate of

The Sahara desert, for example, creeps southward at a rate of thirty miles annually.

例如, 撒哈拉沙漠以每年30英里的速度向南方推移.

Car hijackings are running at a rate of nearly 50 a day.

劫车事件的发生率高达每天近50起。

They traveled at a rate of 55 miles per hour.

他们以每小时55英里的速度前进.

This parking space is under a five-year lease at a rate of six thousand per annum.

这个停车位租期五年,租金为每年六千元.

The world urban population is rocketing upwards at a rate of 6.5 per cent per year.

世界城市人口以每年6.5%的速度急速上升.

Since 1976, the world has been warming at a rate of 2 T a century.

1976年以来, 世界气候以每世纪高2摄氏度的速度在变暖.

New diet books appear at a rate of nearly one a week.

新的饮食类书籍差不多一周出一本。

The water is advancing at a rate of 5cm a day.

水位正以每天5厘米的速度上升。

He went out of the house at a rate of knots.

他很快从屋子里跑出来.

World energy demand is increasing at a rate of about ３％ per year.

世界能源的需求量正以每年百分之三的速度递增.

He's getting through the ironing at a rate of knots.

他熨烫衣服做得飞快.

The whole industry grows at a rate of 30 % annually.

整个产业以年均30%以上的速度增长.

I got through the work at a rate of knots.

我很快结束了工作.