Example sentences of "[verb] [verb] for long periods " in BNC.

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1 Depending on the nature of the defect , electrons may remain trapped for long periods of time ; such a trap would be referred to as ‘ deep ’ .
2 Some studies have used marks on shells that would disappear if shells decrease in size ; it is known that molluscs can remain living for long periods without detectable growth ; and some studies have recorded negative growth but dismissed it as apparent error .
3 Frankly there just is n't the money to go around , and kids are being made to suffer for long periods of time er for operations which really could be done if only they had the money .
4 An annual briefing on cable break procedures and other emergencies would be very valuable for everyone who flies gliders , and particularly those who stop flying for long periods over the winter months and so get badly out of practice .
5 During interrogation some detainees were made to kneel for long periods , in some cases on bottle tops and pebbles , and received severe beatings on their backs , the soles of their feet and hands .
6 A biomaterial may also have to function for long periods of time in the body .
7 These muscles have the function of keeping us upright against the ever-present force of gravity ; they have the advantage of never tiring as they need to work for long periods at a time .
8 The 1.5kg device has a large enough handle to grip for long periods .
9 A report issued on Feb. 9 by the New York-based organization Lawyers Committed for Human Rights said that inside Myanma thousands remained detained for long periods under poor conditions , with some prisoners being tortured .
10 To investigate our rhythms , some individuals have lived for long periods in underground caves , cut off from sunlight .
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