sphere
英 [sfɪə]
美[sfɪr]
- n. 范围；球体
- vt. 包围；放入球内；使…成球形
- adj. 球体的
英英释意
- 1. a particular environment or walk of life;
- "his social sphere is limited"
- "it was a closed area of employment"
- "he's out of my orbit"
- 2. any spherically shaped artifact
- 3. the geographical area in which one nation is very influential
- 4. a particular aspect of life or activity;
- "he was helpless in an important sector of his life"
- 5. a solid figure bounded by a spherical surface (including the space it encloses)
- 6. a three-dimensional closed surface such that every point on the surface is equidistant from the center
- 7. the apparent surface of the imaginary sphere on which celestial bodies appear to be projected