〢 〢 er4
numeral 2 in Suzhou numeral system 蘇州碼子|苏州码子

strokes 0
radical
㐀
㐀
strokes after radical 0
21三体综合症 21三體綜合症 er4 shi2 yi1 san1 ti3 zong1 he2 zheng4
trisomy; Down's syndrome