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单词 pericentric
释义

WordReference Random House Unabridged Dictionary of American English © 2024
per•i•cen•ter  (perə sen′tər),USA pronunciation n. [Astron.]
  1. Astronomythe point at which a heavenly body orbiting around a primary other than the earth or sun is closest to the primary. Cf. apocenter. 
  • peri- + center 1900–05
per′i•central, per′i•centric, adj. 

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