- whose entourage grows throughout the day.
它们的活动忙碌一整天 - This odd assembly of vegetarians doesn't go unnoticed.
这些食草动物组成的奇特群落当然会引起注意 - An arctic fox.
一头北极狐 - The musk oxen have recently given birth.
麝牛最近生了幼仔 - For the fox, it's a chance to scavenge.
对于北极狐来说 这是一个捕食的机会 - But half a ton of mad hairy cow is not to be trifled with.
不过在半数是脾气暴躁的母牛面前不好硬来 - The calves are born well before the spring melt,
牛犊出生在春天冰盖融化之前