这些网球鞋的设计穿起来舒服，易于发挥成绩。These tennis shoes are designed for comfort and performance.我得把我的网球鞋刷白.I must whiten my tennis shoes.而在鞋靴部可以买到鞋子 、 靴子和球鞋.And shoes, boots, and sneakers are in the Shoe Department....
山顶上升气流强度随速矢端迹曲率加大而稍有加强.Peak updraft strength is slightly enhanced with hodograph curvature.轴矢量自身可参与矢积.An axial vector may itself enter into a vector product.每个立体的矢径总是正值长度.The radius vector of each solid is always a posit...