brackish water

不可算名詞通常

(hydrology) Water whose salinity falls between that of fresh water and that of seawater.

日本語の意味

海水と淡水の中間の塩分濃度を持つ水、すなわち汽水

The mangrove roots filter nutrients from the brackish water where the river meets the sea.

河川が海に流れ込む地点の汽水から、マングローブの根は栄養分をろ過する。

意味（1）

(hydrology) Water whose salinity falls between that of fresh water and that of seawater.

brackish waters

（ plural ）