The kayak is propelled by kayakers in a sitting position.皮艇则是由皮艇桨手用坐姿划行的....paddling around the South Pacific in a kayak.划着皮划子在南太平洋游弋Run, bike, swim, surf, kayak and more. Got what it takes?跑, 自行车, 游泳, 波浪, 独木舟和更多. 得到了它拿的...
He sang much more sweetly than he has before.他的演唱比以前要动听许多。He heard the car engine running sweetly beyond the open door.他听到敞开的门口外的汽车引擎运转正常。I just smiled sweetly and said no.我只是甜笑着婉拒了。...
所有的婚姻, 所有的固定的关系都是有可能陷入这种惰性的.All marriages, all relationships, are susceptible to that.氡的一种放射性的, 惰性的和气态的同位素,其半衰期为3.92秒.A radioactive, inert, gaseous isotope of radon a half - life of 3.92 seconds.锕射气氡的一种放射性的, 惰性的和气态的同位素, ...
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...