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唱反調

naysay |ˈneɪseɪ|verb ( past and past participle naysaid ) [ with obj. ] chiefly USsay no to; deny or oppose: I'm not going to naysay anything he does.DERIVATIVESnaysayer noun
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如何製造基因轉殖果蠅？

所謂的基因轉殖果蠅，是指某一種果蠅品系，他的genome裡面就帶有外來的基因，非果蠅自己原本就有的。像是GAL4/UAS binary expression system裡的GAL4 lines, UAS lines, LexA lines ...etc. (可以說…做實驗用的果蠅，絕大部分都是基因轉殖果蠅)
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accident accidence 差很大

accident  | ˈaksɪd(ə)nt | noun 1  an unfortunate incident that happens unexpectedly and unintentionally, typically resulting in damage or injury :  he had an accident at the factory  |  [  mass noun  ]  :  if you are unable to work owing to accident or sickness . •  a  crash  involving  road or  other  vehicles :  four people were   killed   in   a   road   accident . •  euphemistic   an incidence of incontinence by a child or animal . 2  an event that happens by chance or that is without apparent or deliberate cause :  the pregnancy was an accident  |  it is no accident  that   Manchester has produced more than its fair share of professional comics . •  [  mass noun  ]  the working of  fortune ; chance : members belong to the House of Lords  through  hereditary right or  accident of birth  . 3...
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