| 单词 | semi-annually | 
| 释义 | > as lemmassemi-ˈannually   semi-ˈannually adv. every half-year, once in every six months. ΘΚΠ the world > time > period > year > 			[adverb]		 > every half or quarter of a year quarterly1418 half-yearlya1687 semi-annually1828 1828–32    in  N. Webster Amer. Dict. Eng. Lang.  				 1889    J. S. Farmer Americanisms at Papabotte  				It visits the Western prairies in large numbers semi-annually; early in the spring and late in the summer. < as lemmas | 
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