晚上的演出很糟，所有人都缩手缩脚，显得很不自信。The evening show was terrible, with hesitant unsure performances from all.这场演出的门票也是几乎在开演前就销售一空了。This show, too, was virtually sold out before it opened.你觉得谁会代替她参加这场演出？Who do you suppose will repla...
Such prejudices die hard.这些偏见很难消除。George is such a die - hard. He never gives up.乔治非常顽固, 他从不会屈服.But ignorance and misinformation about the health hazards of beryllium die hard.关于健康的破坏物铍的无知和误传是很顽固的....
那两名男子几次互调位置，并且每次交换时都会先灭了灯。The two men swapped places, always extinguishing the light when they changed over.特点: 高功率增益, 低噪声输出, 非常低的互调失真.Features: High power gain, low noise figure, very low intermodulation distortion.研究了有...