Sentence Composition
| 1 | 太陽能 | tàiyángnéng | solar energy |
| 2 | 有益 | yǒuyì |
|
| =3 | 於 | yú |
|
| =3 | 於 | Yū |
|
| =3 | 於 | wū |
|
| 4 | 環保 | huánbǎo |
|
| 1 | 太陽能 | tàiyángnéng | solar energy |
| 2 | 有益 | yǒuyì |
|
| =3 | 於 | yú |
|
| =3 | 於 | Yū |
|
| =3 | 於 | wū |
|
| 4 | 環保 | huánbǎo |
|