some grew to be giants. 有一些节肢动物长得异常巨大 Arthropleura, 节胸蜈蚣 the largest millipede to ever walk the Earth. 地球历史上最大的千足虫 At over two and a half meters long and a half meter wide, 长度超过2.5米宽度超过半米 he has no natural enemies... 没有天敌 ...so can focus all his energy on finding a mate. 所以可以把全部精力放在觅偶上 But for Arthropleura, 但是对节胸蜈蚣来说来自《我们星球上的生命第一季第三集 Life on Our Planet S01E03 入侵大地》第 66 行

At over two and a half meters long and a half meter wide, 长度超过2.5米宽度超过半米

some grew to be giants.
有一些节肢动物长得异常巨大
Arthropleura,
节胸蜈蚣
the largest millipede to ever walk the Earth.
地球历史上最大的千足虫
At over two and a half meters long and a half meter wide,
长度超过2.5米宽度超过半米
he has no natural enemies...
没有天敌
...so can focus all his energy on finding a mate.
所以可以把全部精力放在觅偶上
But for Arthropleura,
但是对节胸蜈蚣来说

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 66 行