[with obj.]make (something) necessary as a result or consequence 使成为必需;需要 a cut which necessitated eighteen stitches. 一个需要缝18针的伤口。 ■[with obj. and present participle]force or compel (someone) to do something 迫使 the late arrival had necessitated her getting out of bed. 刚到的那个人使她不得不起床。
语源
early 17th cent.: from medieval Latin necessitat- 'compelled', from the verb necessitare, based on Latin necesse 'needful'