她的心因兴奋而悸动.Her heart vibrates with excitement.他突然感到眩晕，心脏开始悸动。He felt suddenly faint, and his heart began to palpitate.他要引起牧师一阵痛苦的悸动 吗 ?Would he arouse him with a throb of agony?...
凯茜是个很好的伙伴，我们亲如姐妹。Kathy is a great mate, we are like sisters.她的朋友凯斯（凯茜娃的简称）眼泪汪汪。Her friend Kes (short for Kesewa) was in tears.凯茜兴奋异常。Cathy was beside herself with excitement....
We may use the plane stress analysis for determining deflections in the midplane of the beam.我们可以用平面压力的分析方法来确立梁中间面的挠度.Midplane Flow analysis is most accurate for thin - wall part geometries.中面流动分析对薄壁零件几何模型的精确度最高.The two ...