Accurate on all counts, but sea level and tidal waves will vary depending upon region.

Each quarry on an average employs about 120 workers.

每座矿山平均雇佣120个工人.

On an average day, they now spend 7 andhalf . 5 hours using media.

现在平均每天, 他们花费7.5个小时使用媒体.

He smokes 20 cigarettes a day on an average.

他平均天天要抽20支烟.

As a reasonable guess , they might, on an average, be 100 light years away.

据合理推算, 外星人离我们平均距离也有100光年之远.

They went to the theatre on an average of 10.3 times a year.

他们平均每年去剧院十点三次.

On an average we would be spending £300 per day.

平均下来，我们每天要花费300英镑。

On an average day, they now spend 7 . 5 hours using media.

现在,在平常日子, 他们每天要花上7.5个小时.

He smokes ten cigarettes a day on an average.

他平均一天抽十根烟.

On an average day you take 15,000 steps and foot perspires 200 ml of sweat.

平均每一天你的脚要迈15,000步,同时分泌出200毫升的汗液.

She fascinated him, both on and off stage.

不管是台上还是台下的她，都让他着迷。

I was still working on and off as a waitress to support myself.

我为了糊口仍然间或去做服务员。

Power response is uniform, with smoother variations on and off-axis.

功率响应一致, 同轴和离轴变化更为平稳.

It rained on and off all day.

哩哩啦啦下了一天雨.

To our amusement, the actor jumped on and off the stage.

令我们感到有趣的是, 那个演员从舞台跳上跳下.

Rebecca and I had lived together on and off for years.

我跟贝丽卡时作时辍地一起生活了好多年.

The boat , which was swinging in an eddy, came on and off and pitched with violence.

飘荡在旋涡里的渡船, 一上一下猛烈地颠簸起来.

They went on and on till they came to a river.

他们走啊,走啊,一直走到河边.

And giving you for thousands of years down. No vacation, on and on and on.

她的默默奉献已经持续了千年, 并将继续下去.

You know life will still go on and on and on.

你知道日子还是会不停前进的.

I can go on and on and on about the perils of my past.

我可以继续和就和就有关危险我的过去.