She shrugged, feigning nonchalance.她耸耸肩, 装出一副无所谓的样子.Jon faked nonchalance.乔恩装作若无其事的样子。Jon faked nonchalance...乔恩装作若无其事的样子。declining the offer with cool nonchalance冷淡地拒绝这一提议He conceals his worries behind a mask of nonchal...
He had killed a man in a duel.他在一场决斗中杀了一名男子。Always , it was a duel in which she was worsted.那往往是两人之间的一次决斗,而她总是输的.You want to challenge him to a duel? "你是不是要找他决斗? ”...
For a system, Hamiltonian is invariant under any translation of spatial coordinates.对于一体系, 哈密算符在任何空间坐标变换下是不变的.In other words, The Hermiticity of a matrix is invariant under unitary transformations.换言之, 矩阵的厄密性在幺正变换下保持不变.O...