Sentence Composition
| 1 | 事故 | shìgù | accident |
| 2 | 發生 | fāshēng | to happen; to occur; to take place; to break out |
| 3 | 在 | zài |
|
| 4 | 高速公路 | gāosùgōnglù | expressway; highway; freeway |
| =5 | 上 | shǎng | used in 上聲 shǎngshēng |
| =5 | 上 | shàng |
|
| 1 | 事故 | shìgù | accident |
| 2 | 發生 | fāshēng | to happen; to occur; to take place; to break out |
| 3 | 在 | zài |
|
| 4 | 高速公路 | gāosùgōnglù | expressway; highway; freeway |
| =5 | 上 | shǎng | used in 上聲 shǎngshēng |
| =5 | 上 | shàng |
|