What is the difference between a dolphin and porpoise ?海豚和和鼠海豚有什么区别?He was so happy communing with the dolphin in Dingle Bay.他在丁格尔湾与海豚交流的时候特别开心。The whale, like the dolphin, has become a symbol of the marvels of creation....
Aaron's vitality was too low for a violent reaction to the news about Beck.安伦元气未复,对有关贝克的事情他无从作出强烈的反应.In nine years of living just outside Siena , Aaron Jastrow had never attended a Palio.埃伦·杰斯特罗在锡耶纳近郊住了九年, 却一次也没看过赛马...
He was fired when he loafed on the job.他因工作不认真而被开除.He loafed around the street looking for something to do.他在街上转来转去想找点事做.Soapy, with disgust in his heart, loafed along, twice unsuccessful.索比心里十分憎恶, 只得拖着脚步, 重新开始游荡.他再一次失算了...
According to Mechanics theory the formulary of flexural rigidity, axial rigidity, shearing rigidity are deduced.根据连续力学原理推导了结构抗弯刚度 、 轴向刚度 、 抗剪刚度公式.The beam has a constant flexural rigidity.该梁具有常数弯曲刚度.Radiating stay cables...