Edgar Hoover, John Lindsay , Richard Nixon and Jack Dempsey.这四个人都在自己的照片上亲笔签了名.I'll console Mr. Edgar by acquainting him with the turn Heathcliff's humour has taken.我要报告埃德加先生,说希刺克厉夫的脾气有什么样的转变,借以安慰他.Edgar squatte...
其轨道速度一定是在每秒几百米。Her orbital speed must be a few hundred meters per second.更为大型的卫星将被送入轨道。Yet bigger satellites will be sent up into orbit.这颗彗星的轨道与地球的轨道交叉。The orbit of this comet intersects the orbit of the Earth....
狐狸是犬科动物.The fox is a canine animal.狗是犬科哺乳动物.A dog is a mammal of the family Canidae.犬科动物同样能够听见远方的声音.Dogs and other canines can similarly detect faraway sounds....