can trace their origins back here... 都能从这里找到起源

339. surviving the competition of the jungle.
     才能在丛林的竞争中生存下来
340. This crowded world is so full of invention
     这个拥挤的世界充满了创造力
341. that almost all kinds of animals on land
     几乎陆地上所有的物种
342. can trace their origins back here...
     都能从这里找到起源
343. ...including us.
     包括人类
344. These forests in Madagascar
     马达加斯加的这片森林
345. are home to one of our distant cousins.
     是我们一位远亲的家园

来自《行星地球 第二季 第三集 Planet Earth S02E03 丛林》第 342 行