| 1. | I donned a face mask and jumped in the pool to watch ris swimming toward me . 我戴上防护面具跳到游泳池里看着里斯向我游来。 |
| 2. | The coloured side of the face mask should face outside 口罩有颜色的一面应向外。 |
| 3. | The coloured side of the face mask should face outside 口罩有颜色的一面应向外。 |
| 4. | Technical requirements for protective face mask for medical use 医用防护口罩技术要求 |
| 5. | Wear a face mask to reduce the chance of infection 戴上口罩,避免传染; |
| 6. | I d better wear a face mask to avoid infecting others 为免传染其他人,还是戴上口罩好! |
| 7. | Helmet with face mask and padded gloves are 需加上头盔面罩和防撞手套 |
| 8. | Do you feel uncomfortable with your gloves / face mask on 戴者手套/口罩,你会觉得不舒服吗? |
| 9. | What type of face mask should be used 什么类型的口罩有预防功效? |
| 10. | Wear a face mask if involved in the preparation or serving of food 处理食品的员工要戴上口罩。 |