anadromous

1. 1.

   That lives in the sea and breeds in fresh water.

   生活在海中,在淡水中繁殖的。

2. 2.

   Of a fern: in which the first veins in a frond segment are produced towards the apex of the frond.

   (蕨类)叶脉朝向叶尖方向生长的。

(蕨类)叶脉朝向叶尖方向生长的。；溯河产卵的