Orrery

[ɒ:rәri]

解释:

(noun.) planetarium consisting of an apparatus that illustrates the relative positions and motions of bodies in the solar system by rotation and revolution of balls moved by wheelwork; sometimes incorporated in a clock.

录入:史黛西--From WordNet

解释:

(n.) An apparatus which illustrates, by the revolution of balls moved by wheelwork, the relative size, periodic motions, positions, orbits, etc., of bodies in the solar system.

整理:米歇尔

同义词及近义词：

n. Planetarium.

约翰娜编辑

解释:

n. an apparatus for illustrating by balls mounted on rods and moved by clockwork around a centre the size positions motions &c. of the heavenly bodies.

杰西整理