“在水中”用英语怎么说？

船开始在水中打旋。The boat started to spin around in the water.海滩上有些地方在涨潮时完全淹没在水中。Some stretches of beach are completely underwater at high tide.从汉福德受污染的土地里渗出的有毒物质很快就在水中稀释了。The poisons seeping from Hanford's contaminated lan...