汝提供的语境不够，很难准确地翻译。以下提供多种场合下的“from swimming” 的意思，请参照理解：
1.Please keep the children from swimming in the sea.
请不要让孩子们到海里游泳。
2.You can get very nasty skin diseases from swimming in dirty pool.
在不干净的游泳池里游泳会得很恶心的皮肤病。
3.Fear of drowning will keep a swimmer from swimming in the ocean if there is no lifeguard around.
要是周围没有救生人员，游泳者就不敢到海里游泳，怕淹死。
4.Dams built along the river and neighbouring waterways have also kept them from swimming into and out of their habitats.
在长江边以及附近的水域中还修筑起了很多水坝，这迫使白暨豚不停地更换它们的栖息之地。
5.By animal experiments, the effects of five marine polysaccharides (Agar, Carrag-eenan,sargassum fusiforme polysaccharide, Fucoidan, Chitosan) on the swimming time of mice and the changing of blood lactic acid (BLA) resulting from swimming sports were studied.
方法:通过动物实验,研究了5种海洋多糖(琼胶、卡拉胶、羊栖菜多糖、褐藻糖胶、壳聚糖)对小鼠游泳时间及运动后血乳酸值变化的影响。
6.Access down asset of stairs to the natural sand beach and swimming lagoon will open up a plethora of day and nighttime activities from swimming in a recreated tropical reef shelf to sipping drinks by the pool at the pool bar, to lounging, sun baking, sliding, diving or playing.
下到台阶处，天然沙滩和游泳池将开启系列白日和夜晚的活动，从游泳到在热带礁石旁的池吧啜着饮料，从慵懒的闲躺到烤的太阳浴，滑水梯、跳水、游戏，应有尽有。
7.He wrung water from wet swimming-trunks.
他从湿的游泳裤中将水拧出。
8.She rinsed out the sea water from her swimming-costume.
她把游泳衣里的海水冲洗掉。
9.He is wringing out the water from his swimming trunks.
他正在把游泳裤的水拧出来。
10.She has been eliminated from the swimming race because she did not win any of the practice races.
她已被取消了游泳比赛，因为她在训练中没有得到名次。
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