英文单词：catadromous

中文含义：（鱼）游走性的、下沉性的

英语词性：adjective

美式音标：[kat-uh-droh-muh s]

同义词：migratory, descending

易混淆单词：anadromous (指逆行性的、上游游泳的鱼类)

双语例句：

1. The American eel is a catadromous fish that migrates from freshwater rivers and lakes to the ocean to spawn.

美洲鳗鱼是一种游走性的鱼类，从淡水河流和湖泊迁徙到海洋进行产卵。

2. Many catadromous fish species rely on estuaries and mangroves as important nursery habitats for their offspring.

许多下沉性鱼类依赖河口和红树林作为繁殖后代的重要栖息地。

3. The life cycle of catadromous eels is highly migratory, with the larvae drifting in ocean currents before returning to freshwater to grow and mature.

下沉性鳗鱼的生命周期具有高度游走性，幼虫漂流在海洋水流中，然后返回淡水生长和成熟。

4. In contrast to catadromous fish, anadromous fish spawn in freshwater rivers and migrate to the ocean to mature and feed.

与下沉性鱼类相反，逆行性鱼类在淡水河流中产卵，然后迁徙到海洋成熟和觅食。