needl针, 指针, 针状needv.需要；必需n.需要；必要；缺乏aux.需要，必须（无时态、人称变化，后与不带 to 的动词不定式连用，多用于疑问句和否定句）need for affection情感需要need for autogenic自主需求Need a roadie?Need for knowledge知识需求need an outlet for需要(发泄) ... 的机会need gratification需求满足need for abasement谦卑需求need of rootedness生根需求need no repetition不必重复needed coefficient需用系数