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  • - [Narrator] If you doubled in size,

    - [旁白] 如果你的尺寸加倍

  • your weight would be eight times greater.

    你的體重就會多八倍

  • That's the trouble with growing tall.

    這就是長高的麻煩

  • Gravity's pull is keeping us all down,

    地心引力將我們每個人向下牽引

  • but there are a few earthly giants

    但有幾個地球上的巨物

  • that have fought gravity and won.

    擊敗戰勝了地心引力

  • (gentle instrumental music)

    (輕柔的樂器聲)

  • The key to growing tall is how you use your energy.

    長得高的秘訣在於你如何使用你的能量

  • That's why the tallest trees outrank any animal on Earth,

    這就是為什麼最高的樹超越了地球上的任何動物

  • because trees spend all their energy on one thing;

    因為樹將他們所有的能量花在一件事上

  • growing taller than their fellow neighbors.

    那就是長得比他們的鄰居還高

  • And there are two trees that are the best growers

    其中有兩種樹是最擅長長高的:

  • of them all: giant redwoods and mountain ashes.

    巨型紅木和花楸樹

  • Redwoods are renowned as the tallest lifeforms on Earth,

    紅木著稱是地球上最高的生命體

  • but some experts think that mountain ashes could grow

    但有些學者認為花楸樹能夠長得甚至更高

  • even taller if humans would stop cutting them down.

    前提是人類不要將他們砍下

  • In fact, the tallest mountain ash was just

    事實上,最高的花楸樹

  • one meter shorter than the tallest redwood.

    只比最高的紅木要低一公尺

  • Unlike plants, animals spend energy on all sorts of tasks,

    不同於植物,動物耗費能量在各種事情上

  • like eating, walking, and staying warm,

    像是進食、走路,還有保持溫暖

  • so they can't grow as tall.

    所以牠們沒辦法長得那麼高

  • But it doesn't mean they're small, either.

    但那也不代表牠們很矮小

  • If you measured this African elephant

    若是你測量這隻非洲象

  • from shoulder to ground,

    肩膀至地表的距離

  • it would actually be taller than a giraffe,

    牠其實就會比長頸鹿還高

  • but thanks to their long, strong necks,

    但多虧於牠們又長又壯的脖子

  • giraffes are the tallest animals alive.

    長頸鹿是現存最高的動物

  • And if we look at animals throughout Earth's history,

    而若是我們綜觀地球動物歷史

  • dinosaurs eclipsed them all.

    恐龍會使得牠們黯然失色

  • These towering sauropods were the biggest of the bunch.

    這些高聳的蜥腳類動物是其中最高的一群

  • In fact, the top ten lists of tallest

    事實上,歷史上最高的前十種動物呢?

  • animals in history? All dinosaurs.

    全都是恐龍

  • But what if we looked at the longest lifeforms, too?

    但若是我們也看看最長的生物體呢?

  • If you balance the longest saltwater crocodile on its nose,

    如果你將最長的淡水鱷魚以鼻尖立起

  • it would tie the giraffe.

    牠會和長頸鹿勢均力敵

  • And if we ignore legs it gets even better.

    而若是我們撇開有腿的,事情就更好玩了

  • Tip-to-tail, the green anaconda nearly doubles

    從頭頂到尾,綠巨蟒幾乎是

  • the height of the tallest giraffe.

    最高的長頸鹿的兩倍身高長

  • But these land-dwellers have nothing on animals of the deep.

    但這些陸上居民比起海底的動物就沒什麼了

  • Supported by water, sea life can practically ignore gravity,

    因為被水支撐著,海生動物幾乎可以忽略地心引力

  • which means they can grow much larger.

    意味著牠們可以長得更大

  • Take the blue whale, for example.

    以藍鯨為例

  • It's the most massive animal of all time.

    牠是有史以來最大型的動物

  • For example, the entire cast of Broadway's

    打個比方,牠的舌頭可以容納下

  • The Lion King can fit on its tongue.

    百老匯《獅子王》的所有演員

  • But it should be careful not to get tangled up

    但牠應該當心

  • in the tentacles of a lion's mane jellyfish,

    別被獅鬃水母的觸手纏繞了

  • which makes the giant squid look small by comparison.

    這些觸手使得大王烏賊顯得相較渺小

  • Now, the biggest fish alive is the whale shark,

    現今,現存最大的魚是鯨鯊

  • and if we look into the past things get even bigger.

    若是我們回顧過去,東西甚至顯得更大

  • So where do humans fit into all this?

    所以人類在其中位於哪裡呢?

  • Somewhere near the top, actually.

    其實位於接近頂端

  • Humans are bigger than 87.6% of mammals on Earth

    人類比地球上百分之 87.6 的哺乳動物都要大

  • and the average Dutchman is the tallest of them all.

    平均而言荷蘭人則是其中最高的

  • So there's no reason to ever feel small again,

    所以其實沒理由覺得自己渺小

  • especially if you're from the Netherlands.

    尤其是如果你來自荷蘭

  • (gentle instrumental music)

    (輕柔的樂器聲)

  • Fun fact, the longest life-form of all time

    有趣事實,有史以來最長的生命體

  • isn't a plant or animal at all.

    既非植物也非動物

  • It's a honey fungus and the biggest one goes on

    它是蜜環菌,最大型的長 3.8 公里

  • for 3.8 kilometers underneath a forest in Oregon.

    就位於奧勒岡州的一片森林底下

- [Narrator] If you doubled in size,

- [旁白] 如果你的尺寸加倍

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