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1·As he thus sat, his eyes would keep open no longer, and he felt a desire to sleep.

当他坐着的嘶吼，他的眼睛再也睁不开了，他想睡觉。

2·At this time of the year our shops keep open to all sorts of hours.

每年这个时候，我们的商店任何时候都营业。

3·How long do the shops keep open?

商店开门多长时间了？

4·Some shops keep open beyond midnight.

有些商店营业到半夜以后。

5·Some supermarkets keep open beyond midnight.

有些超市营业到半夜以后。

6·He would keep open house and entertain like a prince.

他要大宴宾客，来者不拒，像王公贵族一样。

7·The shops in central London keep open late on Thursday evenings.

伦敦市中心的商店星期四晚上营业到很晚。

8·AARs help us keep open a steady dialogue about learning and improvement.

AAR活动能够帮助我们在不断学习和持续改进方面保持开放式的对话。

9·Oestrogen helps to keep open the artery carrying oxygen-rich blood to the foetus.

雌激素可使动脉血管扩张，含氧量高的血液得以流向胎儿。

10·They keep open departments in some subjects—science, engineering—that are shunned by locals.

这些钱使大学的某些系的课程得以继续开设（如）科学系与工程系——这些不被当地学生问津的课程。