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  • What does it mean to be one in a million?

    百萬分之一(百萬中選一) 是什麼意思?

  • Not in the greeting card sense,

    我指的並非賀卡上的字句。

  • in the scientific sense,

    在科學的意義上,

  • where one part per million is a unit of measurement.

    「百萬分率(ppm)」是個計量的單位。

  • Parts per million counts the number of units of one substance

    百萬分率計數某一種物質 在百萬個另一種物質中

  • per one million units of another.

    佔有的數目。

  • It can measure concentrations when a small amount makes a big difference.

    在測量濃度時,少量的ppm 可以產生很大的差別。

  • For example, a concentration of just 35 ppm of carbon monoxide in the air

    例如,空氣中35ppm濃度 的一氧化碳

  • is poisonous to us.

    對我們有毒。

  • We encounter measurements like this pretty often,

    我們常遇到類似這樣的測量,

  • but because it's hard to conceptualize really large numbers,

    但因極大的數字不容易被概念化,

  • it's difficult to wrap our brain around what one part per million really means.

    我們的大腦很難解讀 百萬分之一的真正含義。

  • So here are nine helpful ways to visualize it.

    因此,這裡有九個幫助想像的方法

  • If you had 11,363 pianos-worth of piano keys,

    如果你有11,363架 鋼琴的琴鍵總和,

  • one of those keys would be about one part per million.

    其中的一鍵約是百萬分之一。

  • So would a single granule of sugar among 273 sugar cubes,

    同樣,273顆方糖中的一粒糖沙,

  • one second in eleven and a half days,

    十一天半時間中的一秒,

  • or four dots in the painting,

    或「大碗島的星期日下午」 點彩畫中的四個點,

  • "A Sunday Afternoon on the Island of La Grande Jatte."

    也是百萬分之一。

  • Your bath tub's capacity is about 60 gallons,

    浴缸的蓄水量約60加侖,

  • so seven drops of ink would be one part per million.

    所以七滴墨水是百萬分之一。

  • The English version of the Harry Potter series has 1,084,170 words,

    哈利·波特系列的英文版 共有1,084,170字,

  • which makes "hippogriff" on page 221 of "The Prisoner of Azkaban"

    使得「阿茲卡班的囚徒」221頁的 「駿鷹(hippogriff)」

  • a little less than one part per million.

    略少於百萬分之一。

  • A million kernels of corn is about 1,250 ears,

    1250根玉米棒約有 一百萬顆玉米粒,

  • so one kernel in that truckload would be one part per million.

    因此載滿一卡車裡的一顆穀粒 是百萬分之一。

  • There are 10 million bricks in the Empire State Building,

    帝國大廈砌有一千萬塊磚頭,

  • so one part per million would be a pile of just ten.

    所以疊起十塊磚是百萬分之一。

  • And finally, 100 people worked together to animate this video.

    最後,一百個人共同製作這齣動畫,

  • Collectively, they have about 10 million hairs on their heads.

    他們的頭髮共約一千萬根,

  • Pluck ten of those hairs, and you have one in a million.

    拔下十根是百萬分之一。

What does it mean to be one in a million?

百萬分之一(百萬中選一) 是什麼意思?

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B1 中級 中文 TED-Ed 濃度 波特 物質 哈利 墨水

TED-Ed】如何實現百萬分之一的可視化--金-普雷斯霍夫+TED-Ed社區。 (【TED-Ed】How to visualize one part per million - Kim Preshoff + The TED-Ed Community)

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    小爸 發佈於 2021 年 01 月 14 日
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