They wanted better protection than the paper masks they continue to use.
他们要求提供比薄膜口罩更好的防护措施。
The use of masks, and the right and left shift operators, come in handy here.
在这里使用掩码、右移和左移运算符很方便。
You can also use masks and frames, and add effects.
你也能够使用面罩和框架，加入效果。
When you use different manners to treat different people, it is not polite, but masks.
当你用不同的礼貌去对待不同的人，那并不是礼貌，而是面具。
Another limitation is that you can use up to four culling masks.
第三个局限就是您仅可使用四个以下的裁剪遮罩。
Medical use of rubber masks of good quality, environmentally friendly.
医用口罩用的橡筋条，质量好，环保。
First, safety experts say it is better for kids to use makeup instead of masks.
首先，平安专家建议孩子们最好采用化装而不是带面具。
Skiers use masks to keep their face warm in the cold.
滑雪者戴上面罩给脸部保暖御寒。
Also try to use soft water when preparing facial masks.
另外，在准备面膜时，尽量使用软水。
Also try to use soft water when preparing facial masks.
另外，在准备面膜时，尽量使用软水。
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