基本解释

• [农业科学]年龄交配

英汉例句

双语例句

• Results The majority (929%) knew they could have coitus but many (352%) never had during pregnant period, which was positively related to a higher maternal age and opinion of prohibiting coitus.
  结果 929%的孕妇知道孕期可以有性行为，但352%的孕妇孕期一直处于禁欲状态，与孕妇年龄、主观对妊娠期间性行为的否认呈正相关。

专业释义

农业科学

• 年龄交配