| 1. | Tom : why do doctors and nurses wear masks
汤姆：为什么医生和护士们都戴口罩？ |
| 2. | Surgeons wear masks to prevent the spread of infection
外科医生戴著面罩避免传染病扩散。 |
| 3. | Wear mask to prevent the spread of disease
应戴上口罩，防止病毒散播。 |
| 4. | The nurses wore masks and close - fitting white caps
护士们戴着口罩和紧紧扣住头发的白帽子。 |
| 5. | Surgeons wear masks to prevent the spread of infection
外科医生带着卫生口罩，以防止传染病的传播。 |
| 6. | Passengers may also wear mask as an extra - precautionary measure
乘客亦可戴上口罩作为额外的预防措施。 |
| 7. | Passage 79 why the doctor wears mask
为什么医生要戴口罩 |
| 8. | We all wore masks at the party and no one knew who we were
在晚会上我们都戴着假面具，谁也认不出我们。 |
| 9. | All of the actors wore masks
所有的演员都戴着面具。 |
| 10. | Executioners and judges have worn masks to avoid retaliation
死刑执行者及审判官也穿戴面具，预防被罪犯报复。 |
