appetence的复数形式怎么写？

appetence的音标：appetence的英式发音音标为：['æpɪtəns]appetence的美式发音音标为：['æpɪtəns]...

The invention refers to appetence measurement for animals.本发明涉及动物的食欲测量.When your ability to pay is greater than your appetence, you are rich.当支付能力大于欲望的时候, 就可以说是富有....

n.渴望，欲望，愿望...