The woman can easily strap it over her nose and mouth "to help purify the inhaled air, " reads the report, "while keeping her hands free, " presumably to fend off unwanted suitors.
报告上说道：“女士们可以轻而易举将它套在口鼻上而将双手腾空出来，”目的也许可以用来挡开那些咸猪手。
The tourmaline with great spontaneous polarity can purify water and air. So it can be used in building decorating material, purifying water materials and cleaning air materials.
自发极化强度大的电气石具有净化空气和水的作用，在环保建筑装饰材料、净化水和空气材料中有很大的应用价值。
The tourmaline with great spontaneous polarity can purify water and air. So it can be used in building decorating material, purifying water materials and cleaning air materials.
自发极化强度大的电气石具有净化空气和水的作用，在环保建筑装饰材料、净化水和空气材料中有很大的应用价值。
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