qián shuǐ yuán / zài / wēn yuè céng / fù jìn / gǎn shòu / dào / le / míng xiǎn / de / shuǐ wēn / biàn huà

潜水员在温跃层附近感受到了明显的水温变化。

The diver felt a distinct change in water temperature near the thermocline.