Definition of primary planet in English:

primary planet

noun

A planet that directly orbits the sun.
主星
Example sentencesExamples
- Pluto also has a relatively large moon (1,400km across) named Charon, which is regarded as the largest moon in the Solar System with respect to the size of its primary planet.
- Valon was the primary planet in the Tiroc system.
- The primary planets comprise the major planets, of which nine are known, viz., in order of distance from the Sun, Mercury, Venus, the Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto, and the minor planets or asteroids, the orbits of which lie between those of Mars and Jupiter.

Definition of primary planet in US English:

primary planet

noun

A planet that directly orbits the sun.
主星
Example sentencesExamples
- The primary planets comprise the major planets, of which nine are known, viz., in order of distance from the Sun, Mercury, Venus, the Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto, and the minor planets or asteroids, the orbits of which lie between those of Mars and Jupiter.
- Pluto also has a relatively large moon (1,400km across) named Charon, which is regarded as the largest moon in the Solar System with respect to the size of its primary planet.
- Valon was the primary planet in the Tiroc system.

单词	primary planet
释义	Definition of primary planet in English: primary planet noun A planet that directly orbits the sun. 主星 Example sentencesExamples Pluto also has a relatively large moon (1,400km across) named Charon, which is regarded as the largest moon in the Solar System with respect to the size of its primary planet. Valon was the primary planet in the Tiroc system. The primary planets comprise the major planets, of which nine are known, viz., in order of distance from the Sun, Mercury, Venus, the Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto, and the minor planets or asteroids, the orbits of which lie between those of Mars and Jupiter. Definition of primary planet in US English: primary planet noun A planet that directly orbits the sun. 主星 Example sentencesExamples The primary planets comprise the major planets, of which nine are known, viz., in order of distance from the Sun, Mercury, Venus, the Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto, and the minor planets or asteroids, the orbits of which lie between those of Mars and Jupiter. Pluto also has a relatively large moon (1,400km across) named Charon, which is regarded as the largest moon in the Solar System with respect to the size of its primary planet. Valon was the primary planet in the Tiroc system.
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