| 口腔HSK 6 | kǒu qiāng | oral cavity | |
| 满腔 | mǎn qiāng | one's heart filled with; full of (joy) | |
| 唱腔 | chàng qiāng | vocal music (in opera); aria | |
| 腔调 | qiāng diào | accent | |
| 胸腔 | xiōng qiāng | thoracic cavity |
| 1 | No one in the crowd said anything. | |
| 2 | It's necessary to brush teeth every morning and night to keep oral hygiene. | |
| 3 | The music and singing style of Beijing Opera are very unique and famous in China. | |
| 4 | Choosing the right toothbrush and toothpaste are important for oral hygiene. | |
| 5 | Using mouthwash to kill oral bacteria before brushing teeth can better protect teeth. |