美國索菲亞大學(xué)MBA值得報讀嗎

考研英語翻譯練習(xí)

第033句
the explanation for insensitivity to smell seems to be that brain finds it inefficient to keep all smell receptors working all the time but can create new receptors if necessary.
譯文：嗅覺遲鈍似乎可以解釋為，大腦無法保證所有的嗅覺接收器一直處于工作之中，卻可以在必要時創(chuàng)造出新的接收器。
第034句
this may explain why we are not usually sensitive to our own smells-we simply do not need to be.
譯文：這可以解釋為什么我們通常對自己的氣味不敏感——我們完全無需對其敏感。