| 氮气 | dàn qì | nitrogen | |
| 液氮 | yè dàn | liquid nitrogen | |
| 氮氧化物 | dàn yǎng huà wù | nitrogen oxide | |
| 一氧化二氮 | yī yǎng huà èr dàn | nitrous oxide N2O; laughing gas | |
| 一氧化氮 | yī yǎng huà dàn | nitric oxide |
| 1 | Which element is shown here? Yeah, nitrogen. | |
| 2 | The plant requires nitrogen in order to make proteins. | |
| 3 | We can do the same thing for nitrogen. | |
| 4 | Both phosphorus and nitrogen are key nutrients for living organisms. | |
| 5 | She says eating only the recommended levels could reduce nitrogen footprints by almost half. |