lackern.瓷漆；漆lackn.缺乏；无v.缺乏；不足lacking necessary force for effectiveness.缺少带来效率的必要力量。lacking definite structure or organization.缺乏明确的结构或组织的。lacking distinguishing quality or characteristics.缺乏区别性的性质或者特征。lacking distinguishing characteristics or features.缺乏有区别性的特征。