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1·Rescue services have been working round the clock to free stranded motorists.

救援工作一直在昼夜不停地进行着，来解救被困的开车的人们。《柯林斯英汉双解大词典》

2·It is open round the clock.

它24小时营业。

3·He often works round the clock.

他经常通宵达旦地工作。《新英汉大辞典》

4·Our factory operates round the clock on three shifts.

我们厂日夜三班倒。《新英汉大辞典》

5·We worked round the clock to finish the job.

我们为了完成工作，而夜以继日地工作。

6·He studied round the clock for his history exam.

他夜以继日地学习，应付历史考试。

7·Dai and his colleagues work in shifts round the clock.

戴邵帅和同事们每天24小时倒班工作。

8·Surgeons are working round the clock to save his life.

外科医生们正在日夜工作以抢救他的生命。

9·We are working all round the clock to finish this dictionary!

我们在为完成这本词典而昼夜不停地工作着！

10·Britain's salt mines are working round the clock and rationing is on the CARDS.

大英盐矿24小时不停的工作，可是定量配给的状况还是要出现了。