like: 倒数 → →
倒数 [dao4 shu3] ☊ 
to count backwards (from 10 down to 0) ☊ 倒数 [dao4 shu4] ☊ inverse number ☊ 
Kehrwert, reziproker Wert (S) ☊ 倒数 [dao4 shu3] ☊ to count backwards (from 10 down to 0) ☊ 倒数 [dao4 shu4] ☊ inverse number ☊ Kehrwert, reziproker Wert (S) ☊