To this click beetle, a bright light means only one thing...millennia 对这只扣头虫来说 光亮只意味着一件事...
that means it doesn't have to join the fight. 不必和其它蜂鸟争夺食物
so, using the pitchers as traps, means it can get bigger meals 但是利用猪笼草的陷阱 意味着蟹蜘蛛照样可以美餐一顿
means jungle frogs are less tied to puddles and pools 使得树蛙可以摆脱水塘的束缚
but being petite means they're easily scared off. 但因长得细小也很容易受到惊动
which means that food is very widely spaced. 食物就相当广泛了
Following the flow of wind means that they're always heading toward areas of low pressure, 随着风向迁徙意味着 它们总是飞向低压地区
means that desert elephants can only refill their tanks once every four or five days. 意味着沙漠里的大象 只能每隔四五天喝饱一回