needlyadj.如针的；充满针的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 shift working if requirement.需要轮班工作(必要时)。Need for maintaining auxiliary power是否要继续带厂用电Need the ultimate shipping tool?n.麻醉；昏迷状态Needn't feel breathless and exhausted瑙恩海姆Needed for instantiation and views.听 听 听 听 听-- raw symbol map.Needing Help...again....固着群落Need special protection lens planes.注意:需特别保护镜头架。Need certificate to hospital abort?纳扎里need of specialization self-development专业自我发展需要Needed elBowroom to negotiate effectively进行有效谈判所必需的时机

1. But if dependence-related tolerance stimulates the craving-generation system and never completely goes away, why don't former smokers continue hungering for cigarettes forever?
   但如果依赖相关耐受性会刺激欲求系统且永不消失，为何以前是瘾君子的人不会一直抽菸下去呢？
2. The role of the craving-inhibition system would be to signal satisfaction so that the animal would stop the appetitive behavior when it became appropriate to do so.
   而欲求系统的功能角色应该是提供满足感，好让动物在适当状况下停止食欲行为。