重碳酸钙 重碳酸鈣

重碳酸钙 重碳酸鈣 chóng tàn suān gài ㄔㄨㄥˊ ㄊㄢˋ ㄙㄨㄢ ㄍㄞˋ cung5 taan3 syun1 koi3

  • calcium bicarbonate Ca(HCO3)2

Stroke order

Practice writing

Draw 重 (1 of 4) — stroke by stroke.

Draw each stroke of the character in order using your mouse or finger. A hint appears after three misses.