For he's virtually blind... 因为它看不见

68. ...so can focus all his energy on finding a mate.
    所以可以把全部精力放在觅偶上
69. But for Arthropleura,
    但是对节胸蜈蚣来说
70. the pursuit of the perfect partner is not straightforward.
    寻找一位完美的伴侣并不简单
71. For he's virtually blind...
    因为它看不见
72. ...and his world extends only as far as he can sense.
    它的世界仅限于它能感知的范围
73. The fern forest is vast,
    蕨类森林广袤无边
74. and a female could be anywhere.
    雌性节胸蜈蚣不知在何处

来自《我们星球上的生命 第一季 第三集 Life on Our Planet S01E03 入侵大地》第 71 行