half-mask
短语词形变化
half-masks
复数
释义与例句
n.
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1.
A mask covering half the face:
A dust mask.
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2.
A mask covering half the face:
A filtering facepiece respirator.
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3.
A mask covering half the face:
An elastomeric respirator.
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4.
A mask covering the eyes and perhaps the forehead or nose, but not the mouth
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5.
A mask covering the eyes and perhaps the forehead or nose, but not the mouth:
A half-face diving mask.