sphere

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【释义】：

n．❶ 球，球形，星球，行星，(文学用语)天空，天．❷ 地球仪．❸ 范围，领域：a sphere of influence势力范围．in the cultural sphere 在文化领域中．Revolutionary mass criticism is going deeper in all spheres．革命大批判在各个领域深入发展．Writing a novel lies outside the sphere of my activities．写小说并非我的专长．

－vt．❶ 置于球内，置于范围内．❷ 使成球形．