I. gas [gæs] 名词
greenhouse gas 名词
- greenhouse gas
-
| I | gas |
|---|---|
| you | gas |
| he/she/it | gases |
| we | gas |
| you | gas |
| they | gas |
| I | gassing |
|---|---|
| you | gassing |
| he/she/it | gassing |
| we | gassing |
| you | gassing |
| they | gassing |
| I | have | gassed |
|---|---|---|
| you | have | gassed |
| he/she/it | has | gassed |
| we | have | gassed |
| you | have | gassed |
| they | have | gassed |
| I | had | gassed |
|---|---|---|
| you | had | gassed |
| he/she/it | had | gassed |
| we | had | gassed |
| you | had | gassed |
| they | had | gassed |