• 下半部

Lowereen.洛厄里loweradj.低的；下级的；下层的v.降低；减弱；跌落Lower Paleozoic下古生界lower achievers数困生lower lung line[医] 肺下界线lower the flame把火苗调小lower the price削价Lower body part身体下部lower deviation下偏差lower side rail下桁材lower her guardvi.丧失警惕lower our guardvi.丧失警惕

1. The lower part of the pipe is separable from the upper part.
   管子的下部可与上部分开。