Read Edit View history 地底 dìdǐ underground Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 地底 dìdǐ underground underground; subterranean; beneath the surface of the earth Edit Delete 地底 dìdǐ valley floor low-lying areas such as a valley floor or the foot of a mountain Edit Delete References Add reference same_as 地底/地底 → 地下/地下 Edit Delete