| 单词 | center of gravity |
| 释义 | center of gravity n. pl. centers of gravity 1. Abbr. CG The point in or near a body at which a single particle having the same mass as the body would have the same gravitational potential energy as the body. In a uniform gravitational field, center of gravity is the same as the center of mass. 2. The point of greatest importance, interest, or activity: "The center of gravity for the English language is no longer Britain. American English is the greatest influence on English everywhere" (Robert W. Burchfield). |
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