Bird's eggs are a seasonal snack and for a short time, there's plenty of them 鸟卵是季节性的美餐 虽然数量众多,只是不能长时间享受
and it takes a specialist to reach them. 还是有破甲专家可以吃到
Growth is so difficult that conifers protect their precious leaves by filling them with resin. 因为生长困难 针叶树木用树脂来保护宝贵的叶子
That reduces water loss, but it also makes them very distasteful. 以减少水分流失.这样也让针叶变得难以食用
dwarfing all others, and these are the tallest of them all. 这些是长得最高的一种树.
will keep them alive during the year to come 可以支持到明年再来
sometimes diving to depths of forty meters to reach them. 有时它们潜到40米深
Fur seals, that have come to the beach to breed, are waiting for them. 海狗,来到海滩繁殖并等待企鹅的到来
Nothing is left of them, except their white skeletons. 最后只剩下饼海胆的白色骨架.
Krill, shrimp like creatures. By weight they're the most abundant animals on the planet. A single swarm can contain two million tons of them 磷虾,一种小型虾类,如果按重量计算 他们是地球上最多量的动物,一群就可达200万吨