Sentence Composition
| 1 | 病毒 | bìngdú | virus |
| 2 | 開始 | kāishǐ |
classifier: 個 |
| 3 | 變異 | biànyì | variation |
| =4 | 了 | le |
|
| =4 | 了 | liǎo |
| =4 | 了 | liǎo |
|
| =4 | 了 | liào | unofficial variant of 瞭 liào |
| 1 | 病毒 | bìngdú | virus |
| 2 | 開始 | kāishǐ |
classifier: 個 |
| 3 | 變異 | biànyì | variation |
| =4 | 了 | le |
|
| =4 | 了 | liǎo |
| =4 | 了 | liǎo |
|
| =4 | 了 | liào | unofficial variant of 瞭 liào |