mask

• Two masked men held up a mail van .
  两个戴面具的人拦路抢劫了一辆邮车。
• Facial painting is an adaptation of the mask .
  脸谱是由面具演变而来的。
• The substrate is first covered by a mask .
  首先在基片上覆盖一个掩膜片。
• The mask fitted tightly over his face .
  他用面具把脸蒙得严严的。
• Perhaps masks can be dispensed with in time .
  说不定到时候可以免戴防毒面具。
• 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。
• Lily said to herself that the mask just drop .
  丽莉心中说道，现在面具该摘下来了。
• 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。
• We could not fire , as we were masked by our first line .
  第一线挡住，我们无法射击。