"Want" 可以说成 "to want" 或者 "to desire"。
"Want" 是一个动词，它的来源是古英语 "wendan"，意思是 "to lack, to be in need of"。在现代英语中，它表示为 "to have a desire or need for something"。
例句：
I want a cup of coffee. (我想要一杯咖啡)
She wants to go to the concert. (她想去看音乐会)
"Desire" 是一个名词，它的来源是拉丁语 "desiderare"，意思是 "to long for"。在现代英语中，它表示为 "a strong feepng of wanting something"。
例句：
He has a strong desire to travel. (他有强烈的旅行欲望)
She has a desire to learn more about science. (她有学习科学的渴望)