到17世纪后半叶时, 小的手提式暗箱已经很普通了.By the later part of the sixteen hundreds , small hand - held camera obscuras were commonplace.暗箱操作使得他们看起来更加阴险.Lack of transparency makes them seem the more villainous.应该采用方法防止任何可能的暗箱操作.Measures ...
Thomas, of course, was cool and aloof and imperturbable.当然，托马斯沉着、冷漠，不易激动。Wu Sun - fu listened attentively, while his eyes scanned Tu Weiyueh's imperturbable face.吴荪甫很注意地听着, 眼光在屠维岳那冷静的脸上打圈子.Edward was a model of good...