square km平方公里squaren.正方形；广场；街区；平方；直角尺；<俚>古板的人adj.正方形的；规矩的；结实的；公正的；断然的v.一致；结清；收买；使 ... 成方形；使成平方；调整adv.成直角；直接的；正方形地square wave polarography方波极谱法square tube contined HSCsquare box socket wrench方套筒扳手square-wave oscillator方形波振荡器,矩形波发生器square bar spiral spring方条盘簧square-root planimeter平方根面积仪, 平方根求积仪square-pulse generator方脉冲发生器square steel tube column方钢管柱square corner Braun tube矩形显像管,矩形电子束管square complement number平方补数

1. A square-shanked chisel that fits into a square hole in an anvil.
   方柄凿一种与铁砧的方孔相吻合的方形柄凿
2. Any of various Asian coins of small denomination, especially a copper and lead coin with a square hole in its center.
   亚洲小额货币一种小额的亚洲钱币，尤指中间有一个方孔的铜币和铅币