落叶无声2015
Doubtn. 怀疑;疑问;疑惑v. 怀疑;不信;恐怕;拿不准例句:There was still one little nagging doubt at the back of his mind. 他的心头仍有一丝挥之不去的疑虑。misgivingn. 担忧;疑虑;不安v. 担忧;使…疑虑;害怕(misgive的ing形式)例句:Opponents of nuclear energy have deep misgivings about its safety. 反核能人士非常担心核能的安全性。
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