Read Edit View history 铅锤 qiānchuí plumb bob Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 铅锤/鉛錘 · qiānchuí · plumb bob 2026/03/04 铅锤 / 鉛錘 qiānchuí plumb bob bob of a plumbline 建筑工人使用铅锤来测量墙面是否垂直。 noun created sense Mar 4, 2026, 02:25 AM