Leannn.利恩leanv.倾斜；倾向；依靠；倚；屈身adj.瘦的；贫乏的；无脂肪的n.瘦肉；倾斜，倾向leaner profile路线纵断面Lean Six Sigma精益六西格玛lean backwards向后倾leanproduction精益生产lean body mass瘦体重lean-to roof单坡屋顶Lean meat rate瘦肉率leaning device倾斜机构lean on a reed依赖靠不住的人; 倚靠不牢的事物Lean-burning发动机稀燃