n.[C]

1. 球；球体；球形；球面
   The earth is not a perfect sphere.

   地球不是一个很圆的球体。

2. 天体，星球；行星
3. 天体仪；地球仪
4. 范围，领域
   Young as he is, Kerry has become famous in many spheres.

   克里虽然年轻，却已在许多领域出了名。

   He has extended his sphere of influence to the world of banking.

   他已把自己的势力范围扩展到金融界。

5. （社会的）地位，身份，阶层
   She's used to mixing in an altogether different sphere.

   她习惯于在一个完全不同的社会阶层里交往。

6. 【书】天，天空

vt.

1. 使成球形
2. 把……放在球体内
3. 环绕；包围

n.

1. a round solid figure, with every point on its surface equidistant from its centre.
2. each of a series of revolving concentrically arranged spherical shells in which celestial bodies were formerly thought to be set in a fixed relationship.
   ▸chiefly literary a celestial body.
   ▸literary the sky perceived as a vault upon or in which celestial bodies are represented as lying.
   ▸a globe representing the earth.
3. an area of activity, interest, or expertise.

v.