The authors show that the hyperboloid of one sheet and the hyperbolic paraboloid are ruled surfaces.作者证实:单叶双曲面和双曲抛物面是直线曲面.Two fdmilies Of characteristic lines in the hyperbolic region are not orthogonal.在双曲型区域两族特征线互不正交.F...
Matches flared, momentarily highlighting the faces.火柴着了, 发出的光芒把众人的脸照亮了片刻.Eye - brow highlighting : Use a black mineral pigment to outline the eye - brow.画黛眉: 用黛(一种黑色矿物)来修饰眉型.Highlighting how to raise internal customer se...
The school bus takes them to school and brings them back.校车接送他们上下学。The school bus leaves at six sharp and won't wait.校车6点开车,过时不候.What bad luck ! I've missed the school bus.真糟糕,误了校车了....
谈到他时，她拭去了脸上的泪水。She brushed away tears as she spoke of him.我假装拭去一只眼睛里的沙粒。I pretended to rub a fleck of grit from one eye.他用餐巾拭了拭嘴唇。He dabbed at his lips with the napkin....