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。

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.

youdao

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。

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.

youdao