15. These books reflect a trend particularly strong in Britain, where swimming in pools is declining, but more and more folks are opting for open water.
这些书反映了一种在英国特别强烈的趋势：在游泳池里游泳的人越来越少，越来越多的人选择去开放水域。
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16. These books reflect a trend, particularly strong in Britain, where swimming in pools is declining, but more and more folks are opting for open water.
这些书反映了一种趋势，在英国尤为突出：在游泳池里游泳的人越来越少，越来越多的人选择去开放水域游泳。
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17. The host country provides vast facilities, including a stadium, swimming pools and living accommodation, but competing countries pay their own athletes' expenses.
主办国提供巨大的设施，包括体育馆、游泳池和食宿，但参赛的国家自行支付各自运动员的费用。
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18. Krebs hypothesizes that the herons in smaller flocks are watching for herons that they might follow to better feeding pools, which usually attract larger numbers of the birds.
19. Probing the rock pools of a local beach or practicing French on a language exchange can fire children's passions, boost their skills and open their eyes to life's possibilities.
23. There were pools of blood and gore on the pavement.
人行道上有一滩滩鲜血和凝血。
《柯林斯英汉双解大词典》
24. The tide was out and they walked among the rock pools.
潮水退了，他们在岩石区的潮水潭间散步。
《柯林斯英汉双解大词典》
25. There were coloured candles which had spread pools of wax on the furniture.
彩色蜡烛在家具上留下了一摊摊的蜡油。
《柯林斯英汉双解大词典》
26. It was raining quietly and steadily and there were little pools of water on the gravel drive.
雨正静静地下着，砂砾车道上积了一滩滩的水。
《柯林斯英汉双解大词典》
27. My various possessions were floating in their own pools of shadow, denying my ownership of them.
我的各种财产都漂浮在各自的阴影中，否认我的持有权。
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28. They were giant, sometimes 8 feet long , and many of them lived in the swampy pools in which our coal seam, or layer, or formed.
它们体型巨大，有时有8英尺长，其中许多生活在沼泽地里，我们的煤层就是在这里形成的。
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29. The cells could be converted into germ cells for use in assisted breeding programmes to help diversify the gene pools of endangered species, she says.
细胞可以转换成用于协助繁殖项目的生殖细胞，以帮助增加濒危物种基因库里的品种。
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30. Probing the rock pools of a local beach or practising French on a language exchange can fire children's passions, boost their skills and open their eyes to life's possibilities.
