- A male humpback whale sings to attract a mate.
一只雄性座头鲸正在用歌声吸引雌鲸来交配
- The whales have just returned to their breeding grounds in the shallow seas of the tropics.
座头鲸刚刚回到它的热带地区的浅海繁殖地
- The calf is no more than a few weeks old.
幼鲸才刚刚几周大
- Despite being three meters long and weighing nearly a ton, he is nonetheless vulnerable.
虽然已经三米长,一吨重 还是比较虚弱,也容易受攻击
- but his mother watches over him
不过幸好有妈妈照料
- and, as he begins to tire, she supports him close to the surface so that he can breathe more easily.
疲劳的幼鲸被妈妈托上浮上水面好让它呼吸空气
- These shallows around the equator are excellent nurseries.
赤道附近的浅海是个非常理想的托儿所
来自《行星地球 第一季 第九集 Planet Earth S01E09 海洋》第 9 行