He wore black evening clothes and a mask over his face.

他穿着黑色晚礼服，脸上戴着面罩。

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Put the mask over your nose and mouth and breathe normally.

把面罩盖在口鼻上，像往常一样呼吸。

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“I brought an extra mask and stick,” said Ron, pulling a heavy wire mask over Mikey’s head.

“我多带了一个头盔和一根冰球棍儿。” 罗恩说道，然后把头盔往米奇头上套。

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The old man wore thick gloves on his hands and a mask over his mouth and nose.

VOA: special.2009.05.23

It seems that Lawes himself actually played the role of the attendant spirit, that beneficent, slightly frightening figure who hovers over the entire landscape of the mask.

看起来好像,劳斯自己扮演了跟班精神，那善行微妙地,让那些参与《面具》创作的人员产生了恐惧。

耶鲁公开课 - 弥尔顿课程节选

She was put on a non invasive ventilator, which included a mask over her face to help her to breathe.

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An ALA billboard ad in Michigan targeted House Energy and Commerce Committee Chairman Fred Upton, featuring a child with an oxygen mask over her face.

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If you want to watch Ben-Hur in the original aspect ratio of 2.76:1, Autoscope can handle it by moving a mask over the screen at an eightieth of an inch.

ENGADGET: Runco @ CEDIA - 1080p projectors HD