| 单词 | calendar method |
| 释义 | Calendar Method nnoun.actnatural family planning in which ovulation is assumed to occur 14 days before the onset of a period (the fertile period would be assumed to extend from day 10 through day 18 of her cycle) Synset:calendar method of birth control rhythm rhythm method rhythm method of birth control Hypernyms:natural family planning Inherited Hypernyms:rhythm method of birth controlnatural family planningbirth controlplanningpreparationactivityacteventpsychological featureabstractionentity |
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