- But feeding 5,000,000 workers requires intensive agriculture.
养活五百万劳动者需要大规模的高效耕作
- Luckily, they are an industrious lot.
幸好它们都很勤劳
- This colony alone will collect over half a ton of grass every year.
仅这一个蚁群 每年就能收集五百多公斤草
- With billions of ant colonies across the world's grasslands
数十亿蚁群遍布全球草原
- all doing exactly the same thing,
都在做相同的事
- that's a mind-boggling amount of grass.
它们消耗的草数量惊人
- It's estimated that over one third of the grass that grows on Earth
据估计 地球上超过三分之一的草
来自《行星地球 第二季 第五集 Planet Earth S02E05 草原》第 213 行