- on one of the smallest krill, shrimp-like crustaceans.
一种非常小的甲壳类动物-磷虾 - They take many tons of water into their ballooning throats in a single gulp and sieve out what it contains.
它们一口可吃进几吨的海水 然后再过滤出想要的东西 - Every day, each one swallows some four million krill.
每天一头蓝鲸可以吃进400万条磷虾 - Such gargantuan harvests depend on the continuing fertility of the oceans
这样巨大的食量依赖富饶的海洋的不断提供 - But global changes now threaten the great blooms of plankton on which the whales depend.
但是全球环境的变化 让蓝鲸赖以生存的浮游生物急剧减少 - Once and not so long ago
曾经在不久以前 - three hundred thousand blue whales roamed the oceans
30万头蓝鲸让海洋看上去充满生气
Such gargantuan harvests depend on the continuing fertility of the oceans 这样巨大的食量依赖富饶的海洋的不断提供
阅读次数 1
