英语词汇“θ231”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	θ231
释义	the world > the universe > heavenly body > movement of heavenly bodies > [noun] > movement in orbit > orbit > parts of orbit (8) aphelion1656 That point of a planet's or comet's orbit at which it is farthest from the sun. perihelion1666 Astronomy. The point in the orbit of a planet, comet, etc., at which it is nearest to the sun. Opposed to aphelion, n. vector1704 Astronomy. (See quot. 1704.) Also vector radius, = radius vector, n., radius, n. 3g. Obsolete. elongation1708 Astronomy. The removal of a planet to its furthest distance from the sun; aphelion. orb1733 Astronomy. The orbit of a planet or other celestial object; (also) the plane of the orbit. Also figurative. Obsolete. periaster1851 = periastron, n. orbitale1901 The lowest point of the inferior margin of the orbit (orbit, n. 1). Lagrangian point1962 each of the five points in the orbital plane of two bodies at which a third body of negligible mass will remain stationary relative to them.
随便看	protoearth protoegyptian protoelamite protoenstatite protoer protoest protofascism protofascist protofeminist protofibril protofilament protofluoruret protoforaminifer protoforester protoform protogalactic protogalaxies protogalaxy protogalloromance protogalloromanic protogaster protogastric protogenal protogene protogeneous

英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。