►The mask itself can last for years, and you just pop in a new filter every few days.
口罩本身可以使用多年,你只要隔几天放一个滤芯进去就行了。
有用的句子
最后学一些谈论口罩的有用句子。
►I only strongly recommend truly N95-certified masks such as 3M and Vogmask.
我只强烈推荐真正通过N95认证的口罩,比如3M和Vogmask。
►The only masks that are worth buying are the N95 type.
唯一值得买的口罩就是N95的。
►If you want to protect yourself against the minuscule particles you'll need professional masks. Very pricy and inconvenient to wear.
如果你想抵抗住微颗粒,就必须使用专业面具,很贵,而且佩戴不便。
►After about 2-3 weeks of use, the mask looks horribly grey!!
用了两三周后,口罩都变灰了,可吓人!
►I've noticed that counterfeit/fake masks are a huge problem in China, and I was wondering where will I can purchase authentic 3M masks in Beijing.
我发现中国各种假冒伪劣口罩是个大问题,不知道北京哪里能买到3M正品呢。
►Many masks aren’t good for heavy breathing such as I would do while running.
有些口罩在呼吸沉重的时候,比如跑步的时候,戴着不是很适合。
►The filter life span is said to be 69 hours, so assuming that you bike 1 hour every day, that's 3 month use for one filter - not so bad.
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