A period or term of three months; spec. each of three such periods into which human gestation is divided.
| 单词 | θ95069 | 
| 释义 | the world > time > period > a month or calendar month > 			[noun]		 > period of specific number of months (1)		 trimester1821 A period or term of three months; spec. each of three such periods into which human gestation is divided. | 
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