塌陷 tāxiàn subside Origin Definitions Defs Strokes Stroke Words Sentences Sents 1 sentence 由于地下水过度开采,该地区的地面发生了严重塌陷。 yóuyú dìxiàshuǐ guòdù kāicǎi, gāi dìqū de dìmiàn fāshēng le yánzhòng tāxiàn. Due to over-extraction of groundwater, there was a serious ground subsidence in the area. Source: Dong Chinese Dictionary