sexual heat

• 发情

sexual heat的用法和样例：

例句

1. When the bull elephant desires sexual activity, he approaches the matriarch-led herd.
   当公象发情时，接近母象群。
2. Moreover, the estradiol content in the testicle tissues of sexual expression group was higher than that in the control group.
   发情雄性小鼠性表达组睾丸组织匀浆上清液雌二醇浓度较禁欲组显著性升高。