Sentence Composition
| =1 | 這 | zhè |
|
| =1 | 這 | zhèi | (coll.) this |
| 2 | 是否 | shìfǒu |
|
| 3 | 對於 | duìyú | regarding; as far as (sth) is concerned; with regard to |
| 4 | 環境 | huánjìng |
classifier: 個 |
| 5 | 安全 | ānquán |
|
| 6 | 無害 | wúhài | harmless |