海豹有良好的视力，特别是象海豹和罗斯海豹的视力更佳，这有利于它们作深水

海豹有良好的视力，特别是象海豹和罗斯海豹的视力更佳，这有利于它们作深水捕猎。

Results (English) 1:

Seals have good eyesight, especially elephant seals and Ross seals have better vision, which is conducive to their deep-water hunting.

Results (English) 2:

Seals have good eyesight, especially for elephant seals and Ross seals, which facilitates deep-water hunting.

Results (English) 3:

Seals have good eyesight, especially for elephant seals and Ross seals, which is good for deep-water hunting.