discontinuity in the children's education儿童教育的不连贯性The classical elementary waves in Riemann solutions include rarefaction wave, shock wave and contact discontinuity.黎曼解涉及的经典基本波包括疏散波 、 激波和接触间断.Such a discontinuity or...
Vultures flew around in the sky waiting to pick at the carcass of the deer.秃鹰在天空盘旋等着啄食鹿的尸体.There is no need to pick at him all day long. He's a child after all.不要老是对他唠唠叨叨, 他毕竟还是个孩子嘛!I would like to know the Bus numb...