anadromous

形容词 anadromous:

1. migrating from the sea to fresh water to spawn

1. Salmon are anadromous.
   鲑是由海移栖淡水河产卵的。

a.nad.ro.mous

adj.（形容词）
Migrating up rivers from the sea to breed in fresh water. Used of fish.
溯河产卵的：从海洋向上游到河流中，并在淡水中产卵的。用于指鱼

来源：
From Greek anadromos [running up]
源自 希腊语 anadromos [上溯]
from anadromô [a running back]
源自 anadromô [回去]
ana- [ana-]
ana- [前缀，表.向后.]
dromos [a running]
dromos [跑]