The start of MENSTRUATION. The average age at which it occurs in British females is 12·5 years – a year or two after the first physical indications of PUBERTY appear. There is considerable racial and geographical variation.
| 单词 | Menarche |
| 释义 | The start of MENSTRUATION. The average age at which it occurs in British females is 12·5 years – a year or two after the first physical indications of PUBERTY appear. There is considerable racial and geographical variation. |
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医学辞典收录了5543条医学类词条，基本涵盖了中医、中药、西医、西药、兽药等领域的常用英语单词及短语词组的翻译及用法，是学习及工作的有利工具。