关捩子 guānlièzi axle Definitions Defs Origin Strokes Stroke Words Sentences Sents 关捩子 關捩子 guānlièzi axle the rotating axle or mechanism in a machine crux the most important or decisive part of a problem; the crux
关捩子 關捩子 guānlièzi axle the rotating axle or mechanism in a machine crux the most important or decisive part of a problem; the crux
