White lines divide the playing area into sections.
这些白线把赛区分成各个部分.
More state help is needed for the disadvantaged sections of the community.
国家需要向社区的贫困阶层提供更多救济.
A section of pipe, such as an elbow, used to connect two or more pipes.
接管零件连结两个或更多管道的管子配件，如弯管
