| 黑 |
hēi tàn | (climatology) black carbon (BC) (light-absorbing carbonaceous particulate matter formed by the incomplete combustion of fossil fuels, biofuels, biomass etc) |
| 黑 |
Hēi | short name for Heilongjiang 黑龙江 |
| 黑 |
hēi | black / dark / sinister / secret / shady / illegal / to hide (sth) away / to vilify / (loanword) to hack (computing) |
| 碳 |
tàn | carbon (chemistry) |