Example sentences of "long period at " in BNC.
Next page| No | Sentence |
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| 1 | Particular units who operated for long periods at a time in the jungle became so adept in their surroundings they became known as ‘ Green Ghosts ’ . |
| 2 | But for long periods at The Dell they appeared to be preoccupied by Sunday 's Rumbelow 's Cup final against Manchester United . |
| 3 | He then went on to say that he had had a complaint from the men in the next room , that I was using what he could only describe as ‘ a female sex aid device ’ for long periods at night and first thing in the morning . |
| 4 | 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 . |
| 5 | To meet this need , high-power video lights have been developed from earlier photographic types which are capable of being run for long periods at full power . |
| 6 | More and more they were now given the title of " extraordinary " , even when they remained for long periods at the courts to which they were sent : increasingly the term , applied to either an ambassador or an envoy , became a mere title of honour . |
| 7 | Also in the crypt is the Duomo treasury , a pay-to-enter collection that is closed for a long period at lunch . |
| 8 | Young people , the unemployed and women returning to work after a long period at home will have to show extra ingenuity to extract evidence of their work skills and potential from their life history . |
| 9 | Conversely , some econometricians have argued that it is more cost effective to use a ‘ drip ’ system , advertising more or less continuously over a long period at a very low weight . |