major planet

短语

大行星

词形变化

major planets 复数 major planets

释义与例句

n.
  1. 1.

    Any of the 8 celestial bodies which orbit the Sun: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune (a celestial body that fits the 2006 IAU definition of planet).

    天文
  2. 2.

    Any planet that is significantly larger and more massive than Earth, containing large amounts of hydrogen and helium, such as Jupiter and Neptune.

    天文

词汇关系