这种点的集合被称为等位面.The set of points is called a level surface.表面本身是一等位面.The surface itself is an equipotential.在等位面与电力线的每个交点, 两者是垂直的.At each crossing of an equipotential and a field line, the two are perpendicular....
你能给我开药方 吗 ?Can you give me a prescription?是的,医生, 至少是芝加哥的医生们偶尔会特意开药方安慰剂.Yes doctors, at least doctors in Chicago occasionally purposely prescribe placebos.请为我开药方治烧伤.Please prescribe some medicine for the burn....
气温记录清楚无疑地证实了全球气候正在变暖。Temperature records have unequivocally confirmed the existence of global warming.卡尔森对人的感情无疑地帮助保住了他那协同工作的牌子.Carlson's feeling for people undoubtedly helped him maintain his brand of teamwork.无疑地,...
Dawson shares closed at 219p, up 5p.道森股票以219便士收盘，上涨了5便士。Dawson takes revenge on the man by knifing him to death.道森用刀杀死了他的仇人。He was ill at ease until Dawson's Landing was behind him.他提心吊胆,直到道生码头被甩在后面,才放下心来....