| 硝 |
xiāo suān nà | sodium nitrate |
| 硝 |
xiāo | saltpeter / to tan (leather) |
| 硝 |
xiāo suān | nitric acid |
| 酸 |
suān | sour / tart / sick at heart / grieved / sore / aching / pedantic / impractical / to make sarcastic remarks about sb / an acid |
| 钠 |
nà | sodium (chemistry) |