1、
It's an anti-pollution facemask for cyclists. It's impregnated with activated carbon.
自行车骑手用的防污染面罩, 里面装着活性碳.
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2、
3、
Q 34 : What's the difference between a facemask and an N 95 respirator?
问34:外科口罩和N95呼吸防护口罩之间有什么区别?
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4、
He jokes he might wear it permanently, a la Detroit's Richard Hamilton and his facemask.
他开玩笑的说可能要戴一生了, 就如排骨男·汉密尔顿戴着他的标志性全覆面罩一样.
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