| 单词 | semi- | 
| 释义 | semi- pref. 1.  Half: semicircle. 2.  Partial; partially: semiconscious. 3.  Resembling or having some of the characteristics of: semiofficial. 4.  Occurring twice during: semimonthly. See Usage Note at  bi-1. [Middle English, from Latin sēmi-, half; see  sēmi- in the Appendix of Indo-European roots.]  | 
	
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