natural selection
US /ˈnætʃərəl sɪˈlɛkʃən/
・UK /ˈnætʃərəl siˈlekʃən/
B1 中級
n. (u.)不可數名詞天擇
Natural selection is a key mechanism of evolution.
影片字幕
華萊士線——分隔兩個世界的隱形地理線 (The Invisible Barrier Keeping Two Worlds Apart)
- Alfred Russel Wallace to be exact, a British naturalist who you might have also heard of as the co-discoverer of natural selection.
確切地說，阿爾弗雷德·羅素·華萊士，一位英國的自然學家。你可能也聽說過他是「天擇說」的共同發現者。
- you might have also heard of as the co-discoverer of natural selection.
你可能也聽說過他是自然選擇的共同發現者。
研究證實「阿嬤」這個生物真的很奇妙！ (Evolution Can't Explain Your Grandma)
- But hey, just because natural selection might not have made all of our grandmas for some special reason, that doesn't make your grandma any less special.
但是，嘿，僅僅因為自然選擇可能不會因為某些特殊原因而造就我們所有的祖母，但這並不會讓你的祖母變得不那麼特別。
- Just because natural selection might not have made
只是因為自然選擇可能不會讓
癌症究竟是怎麼發生的呢？跟著影片一起了解吧！（A New Way to Understand Cancer）
- Unfortunately, natural selection spoils your victory.
不幸的是，物競天擇破壞了你的勝利。
自然演擇的歷史，7分鐘講完 | Paul Nurse (The history of natural selection, in 7 minutes | Paul Nurse)
- The idea of evolution by natural selection is, for me, probably the most beautiful idea in biology.
對我來說，自然選擇的進化思想可能是生物學中最美麗的思想。
- The idea of evolution by natural selection is, for me, probably the most beautiful idea in biology.
對我來說，自然選擇的進化思想可能是生物學中最美麗的思想。
你知道這些超驚人的動物冷知識嗎？😲 (Did You Know These Amazing Animal Facts?)
- However, after long periods of time when natural selection has taken its course—we're talking thousands of years here—wild dog species emerge.
由於狗狗被馴化，攻擊性比牠們的狼祖先低，所以大腦中負責戰鬥或逃跑反應的區域也跟著縮小，長期下來，這會讓大多數狗狗在面對掠食者時感到困難。
- However, after long periods of time when natural selection has taken its course, we're talking thousands of years here, wild dog species emerge.
不過，經過漫長的演化，經過了數千年的自然選擇，野狗物種就出現了。
