sexual heat的用法和樣例：
例句
- When the bull elephant desires sexual activity, he approaches the matriarch-led herd.
當公象發情時，接近母象群。 - Moreover, the estradiol content in the testicle tissues of sexual expression group was higher than that in the control group.
發情雄性小鼠性表達組睾丸組織勻漿上清液雌二醇濃度較禁慾組顯著性升高。
