| 单词 | segment | 
| 释义 | seg·ment    (sĕgmənt)n. 1.  Any of the parts into which something can be divided: segments of the community; a segment of a television program. 2.  Mathematics   a.  The portion of a line between any two points on the line. b.  The area bounded by a chord and the arc of a curve subtended by the chord. c.  The portion of a sphere cut off by two parallel planes. 3.  Biology   A clearly differentiated subdivision of an organism or part, such as a metamere. tr. & intr.v.  (sĕg-mĕnt) seg·ment·ed, seg·ment·ing, seg·ments   To divide or become divided into segments. [Latin segmentum, from secāre, to cut; see  sek- in the Appendix of Indo-European roots.] segmen·tar′y (-mən-tĕr′ē) adj.  segment | 
	
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