We derive the addition formulas for sine and cosine from the arithmetic of complex numbers.用复数算术推导了正弦,余弦的加法公式.The designing amendatory formulas will make the marine gearing of ship become more reasonable and safer.利用此公式计...
所有人起立为他不可磨灭的英勇之举鼓掌。Every person stood to applaud his unforgettable act of courage.我不能判定他到底是英勇无畏还是精神失常。I couldn't decide whether he was incredibly brave or just insane.他在战争中的英勇行为后来被改编成一部电影。His wartime exploits were l...
The sort of animal lived in the Arctic Circle.这种动物生活在北极圈里.The Arctic Circle is the boundary of this region of darkness.北极圈就是这一黑暗地带的边界.Breed of hunting and sled dog found near the Arctic Circle.产于北极圈附近的猎犬和雪橇犬....
It was thought that the fire alarm had been set off as a prank.人们认为火警报警器响是个恶作剧.One of these skits, " The King of Beasts " resembles a traditional frontier prank.一出滑稽短剧《兽王 》 酷似传统的边疆闹剧.Some people said this was Kao's ...