基层 jīcéng HSK7 grassroots Definitions Defs Origin Strokes Stroke Words Sentences Sents Showing: bottom layer All meanings 14 jīcéng 14 grassroots 13bottom layer 1 1 sentence for 基层 (jīcéng — bottom layer) 在铺设沥青之前,必须确保路面的基层已经夯实。 zài pūshè lìqīng zhīqián, bìxū quèbǎo lùmiàn de jīcéng yǐjīng hāngshí. Before laying the asphalt, it must be ensured that the subgrade of the road has been compacted. Source: Dong Chinese Dictionary