名词
中文翻译：球状物
同义词：
['ball', 'globe', 'sphere例句：1. The scientist found a barbule in the center of the planet.（科学家在行星中心发现了一个球体。）']
例句：
-
1. The scientist found a barbule in the center of the planet.
科学家在行星中心发现了一个球体。
-
2.The astronaut landed on the barbule and took a picture.
宇航员降落在球体上并拍了张照片。
-
3. The barbule was used to study the movement of the earth's gravity.
这个球体被用来研究地球重力的运动。