Read Edit View history 天坑 tiānkēng sinkhole Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 天坑 · tiānkēng · sinkhole 2026/03/04 天坑 tiānkēng sinkhole sinkhole 那个巨大的天坑吸引了许多游客。 noun created sense Mar 4, 2026, 02:25 AM