評(píng)論
打印
Late spring, in the Cretaceous Period. Adolescence is a critical time.
白堊紀(jì)，暮春時(shí)節(jié)。青春期是一個(gè)關(guān)鍵時(shí)期。
Dinosaurs are preparing to mate. Some will succeed. Others will fail.
恐龍們正在為交配做準(zhǔn)備。有的會(huì)成功，而有的則會(huì)失敗。
In Darwinian calculus, you can be the finest hunter in the land, and if you can't attract and hold on to a desirable mate with desirable genes, you're a loser.
在達(dá)爾文的結(jié)論中，你可能會(huì)是陸地上最好的獵手，但如果你無(wú)法吸引并留住擁有理想基因的合適伴侶，那么你就是個(gè)失敗者。
A loser whose genes are about come to an abrupt end.
失敗者的基因很快會(huì)突然終結(jié)。
Mating is serious business with significant repercussions.
交配是一項(xiàng)嚴(yán)肅的任務(wù)，而且影響重大。
A male looking at females and a female looking at a male...what they're doing, without actually thinking it consciously, is evaluating the potential genes over there.
雄性和雌性相互打量著對(duì)方，它們的這種無(wú)意識(shí)的舉動(dòng)其實(shí)就是在評(píng)估對(duì)方的潛在基因。
"Are your genes good ones? Will your genes mixed with my genes make really healthy, very competitive youngsters?"
"你的基因優(yōu)秀嗎？我們的基因結(jié)合后會(huì)生出健康的，極具競(jìng)爭(zhēng)力的孩子嗎？"
Clues that males are approaching sexual maturity abound.
雄性恐龍進(jìn)入性成熟期的跡象有很多。
The crest on an adolescent Parasaurolophus is now fully developed.
處于青春期的副櫛龍的頭冠已經(jīng)發(fā)育完全。
Triceratops' horns have grown from little stubs pointing backwards to lethal weapons pointing forward.
三角龍的角已從朝向后方的"小樹(shù)樁"長(zhǎng)成了直指前方的致命武器。
And Tyrannosaurus Rex has staked claim to a territory of his own.
雷克斯霸王龍已建立了自己的領(lǐng)地。
Males soon to be adults fight for the chance to prove they are the best.
即將成年的雄性恐龍會(huì)爭(zhēng)取一切機(jī)會(huì)來(lái)證明自己才是最優(yōu)秀的。
Females choose carefully. Only the strongest, fittest, or most intelligent males will do.
而雌性恐龍則會(huì)仔細(xì)挑選。只有最強(qiáng)壯，最健康或最聰明的雄性恐龍才會(huì)被選中。
And when it comes to reproducing, something else is critical...timing.
在繁殖的時(shí)候還有一件事也很關(guān)鍵...時(shí)機(jī)。
Most big predators today breed on a short interval in a year, actually most animals today.
今天的多數(shù)大型食肉動(dòng)物都只在一年中的某段時(shí)期繁殖，其實(shí)如今大多數(shù)動(dòng)物都這樣。
Breed only on a short interval, a couple of days or a week or two.
繁殖期很短，只有幾天或一到兩個(gè)星期。
Outstanding exception being that the peculiar predatory species, homo sapiens.
但有一個(gè)特殊的食肉物種是個(gè)例外，那就是人類。
