sphere
名词复数：spheres
过去式：sphered
过去分词：sphered
现在进行时：sphering
词形变化：
名词: sphericity | 动词过去式: sphered | 动词过去分词: sphered | 动词现在分词: sphering | 动词第三人称单数: spheres |
词义辨析：
同义:
n.球; 球体
ball
globe
n.范围, 领域
extent
realm
expanse
province
field
同义参见:
scope1
department
universe
science
orb
circle
moon
ball1
dominion
universe
bubble
sun
kingdom
domain
habitat