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per·i·he·li·on 英ˌperəˈhiːliːən, -ˈhiːljən美ˌpɛrəˈhiliən, -ˈhiljənAHDpĕr'ə-hēʹlē-ən, -hēlʹyən 高COCA⁴⁸⁶⁷⁵BNC⁵⁴⁸⁷²iWeb³⁹⁴³³
基本英英搭配记法近义反义例句例句
n.近日点⁶⁷;最高点³³复数perihelia形容词perihelial名词复数perihelia
Noun:
periapsis in solar orbit; the point in the orbit of a planet or comet where it is nearest to the sunperihelion distance近日距advance of the perihelion近日点前移
词根记忆peri-周围|靠近hel-太阳-ion行为|动作|状态⇒n.近日点⁶⁷;最高点³³反义词 aphelion远核点
名词100%
用作名词A comet is atperihelionwhen it is closest to the sun.彗星最接近太阳时，它就是在近日点。
The anomalistic year is the time between successive transits of the Earth through theperihelion.近点年是地球连续两次通过近日点之间的时间。 The point in the orbit nearest the sun is called perihelion, while the point farthest is called aphelion.
在轨道上最接近太阳的点被称为近日点，而最远离太阳的点被称为远日点。 sdcate
Easy to spot in binoculars for now, McNaught will sink into the twilight along the eastern horizon in the coming days as it heads toward perihelionclosest approach to the Sun on July2.
现在用双筒望远镜很容易找到麦克诺特彗星，它将在以后一段时间，在黎明东边地平线上慢慢下落，7月2日过近日点。 yeeyan
Mercury's point of perihelion was noticed to rotate the sun faster than predicted by Newton's laws of gravitation and proved to be strong evidence for Einstein's gravitational model;
水星的近日点点发现太阳旋转速度比预测牛顿的万有引力定律，并证明爱因斯坦的引力模型有力的证据； lamost
Right now, odds are that Comet Elenin will become an easy target for binoculars around mid- August and reach naked-eye visibility for a couple of weeks around perihelion.
现在，有一定概率的 Elenin彗星大约在八月中旬会变成一个很明显的双筒望远镜观测目标，并在近日点附近的几星期达到肉眼可见的程度。 blog.sina.com.cn
The angular deviation, as observed from the sun, of a planet from its perihelion.
从太阳观察到的行星距近日点的角度偏差。 iciba
This paper derives in detail the gravitational field of the sun by using the Schwarzschild metric, and expounds the advance of the Mercury's perihelion with the general theory of relativity.
用史瓦西度规详尽地推导了太阳引力场，用广义相对论解释了水星近日点的进动。 cnki |