One pair of jaguars even shows some very rarely seen mating behavior, so the smell seems to turn these animals on.
一对美洲虎在闻到这种气味后，甚至表现出罕见的求偶行为，可见如此气息彻底激活了这些动物。
2
The spider also USES its third pair of legs in the mating display, raising them to show a brush of black hairs and white tips.
这蜘蛛还会在求偶大会中使用第三对后肢，像秀黑发梳、白色梳齿一样升高。
3
The paper researches the spectrum characteristics of dynamic response of the gear pair with the error excitation in the long and short period based on dynamic mating model of the gear pair.