| 1. | Two masked men held up a mail van . 两个戴面具的人拦路抢劫了一辆邮车。 |
| 2. | Facial painting is an adaptation of the mask . 脸谱是由面具演变而来的。 |
| 3. | The substrate is first covered by a mask . 首先在基片上覆盖一个掩膜片。 |
| 4. | The mask fitted tightly over his face . 他用面具把脸蒙得严严的。 |
| 5. | Perhaps masks can be dispensed with in time . 说不定到时候可以免戴防毒面具。 |
| 6. | A mask is a transparent sheet of plastic . 蒙片是一张覆盖在图版上的透明塑料片。 |
| 7. | Lily said to herself that the mask just drop . 丽莉心中说道,现在面具该摘下来了。 |
| 8. | You can cover your eyes with an opaque eye mask . 你可以用不透光的眼罩把眼睛蒙住。 |
| 9. | We could not fire , as we were masked by our first line . 第一线挡住,我们无法射击。 |