今日挑戰句子
開始錄音
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Look closely and you’ll see parts that aren’t there because you need them but because your animal ancestors did. No longer serving their previous function but not costly enough to have disappeared, these remnants of our deep history only make sense within the framework of evolution by natural selection.
你仔細看看就會發現有些毫無用處的身體部位是因應動物祖先的需求而存在。雖然這些部位跟以往的功能不同,但也不至於完全消失。我們深厚歷史下的這些遺跡在物競天擇的進化論下有跡可循。
學習重點
1. ancestor 祖先
ancestor
[ˋænsɛstɚ] (n.) 祖先
ascending
[əˋsɛndɪŋ] (adj.) 遞增的
descendant
[dɪˋsɛndənt] (n.) 子孫、後裔
descending
[dɪˋsɛndɪŋ] (adj.) 下降的
3. disappear 消失、突然離開
disappear
[dɪsəˋpɪr] (v.) 消失、突然離開
appear
[əˋpɪr] (v.) 出現
appearance
[əˋpɪrəns] (n.) 外表
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