Planet
例子
Scientists study the atmosphere of Mars, the red planet.
科学家研究火星，这颗红色行星的大气层。
02
追随者, 仆人
a person who follows or serves another
03
行星, 天体
a celestial body orbiting the sun, reflecting light. Includes Mercury to Pluto
04
行星, 地球
the big round mass covered in land and water, on which people, animals, and plants live
例子
People must take care of the planet for future generations.
人们必须为了子孙后代照顾好这个星球。
