a gas/surgical mask
防毒面具；医用口罩
牛津词典
The robbers were wearing stocking masks.
强盗戴着长筒袜面罩。
牛津词典
The kids were all wearing animal masks.
孩子们都戴着动物面具。
牛津词典
a face mask
面膜
牛津词典
He longed to throw off the mask of respectability.
他渴望丢掉那副道貌岸然的伪装。
牛津词典
Her face was a cold blank mask.
她装出一副冷冰冰毫无表情的样子。
牛津词典
She masked her anger with a smile.
她用微笑来掩饰她的愤怒。
牛津词典
The gunman, whose mask had slipped, fled.
面罩掉落的持枪歹徒逃之夭夭了。
...actors wearing masks.
戴面具的演员们
You must wear goggles and a mask that will protect you against the fumes...
为了免受烟雾危害，你必须戴上护目镜和面罩。
She wore a surgical mask and rubber gloves while she worked with the samples.
她处理样品的时候戴着手术口罩和橡胶手套。
His mask of detachment cracked, and she saw for an instant an angry and violent man.
他冷静超然的伪装破碎了，一瞬间她的面前出现了一个愤怒而又狂暴的男人。
This mask leaves your complexion feeling soft and supple.
这种面膜能使你的皮肤变得柔软细嫩。
Dena lit a cigarette, trying to mask her agitation.
德娜点燃了一根烟，试图掩饰不安。
A thick grey cloud masked the sun...
一片厚厚的乌云遮住了太阳。
Too much salt masks the true flavour of the food...
太多的盐会盖住食物本来的味道。
Use the standard subnet mask for a class C network, 255.255.255.0.
使用标准的子网路遮罩作为一个类别C网路, 255.255.255.0.
期刊摘选
Directions: Wet face . Leave face wet, the Self Heating Moisture Mask activated by water.
简单的弄湿面颊, 将自热保湿面膜敷在面上,面膜立即敷热面颊.
期刊摘选
Group picture outside the mask as well as exquisite glass frame, unique crosses several.
组画外面罩以精致的玻璃框架, 别具情致.
期刊摘选
The sleep mask that can moisturize nourish and repair your skin overnight.
保湿滋养修护在一夜之间同步完成的睡眠面膜.
期刊摘选
In people's view, mask is both holy and portent, and thus mask taboo comes into being.
面具在一般人的心目中, 是神灵、魂、先的化身和载体,它既是神圣之物,也是危险 、 祥之物,由此产生了对面具的禁忌.
期刊摘选
The old man laughed and took out a mask.
这位老人大笑,然后拿出一个面具.
期刊摘选
Saddest of all is when children catch a glimpse of the masked fire fighter but hide because they think they have seen a monster.
出自-2010年12月听力原文Why do some children trapped in a burning building hide from masked fire fighters
出自-2010年12月听力原文He provides oxygen masks to children free of charge.
出自-2010年12月听力原文But national data masks the very large variation in the performance of individual universities.
出自-2011年12月阅读原文It masks the fatal weaknesses of government policy
出自-2011年12月阅读原文But, increasingly, this apparent diversity is becoming a mask for a new type of conformity.
出自-2011年6月阅读原文It is certain that the Census procedures, which lump the online sales of major traditional retailers like Walmart with "'non-store retailers" like food trucks, can mask major changes in individual retail categories.
2019年6月六级真题（第一套）阅读 Section BI just heard the bank where Dora works was robbed by a gunman wearing a mask.
2015年高考英语重庆卷 单项填空 原文Overall, Europe’s wholesale market for food and drink is growing at the same sluggish pace as the retail market, but the figures, when added together, mask two opposing trends.
出自-2010年考研阅读原文overall, Europe's wholesale market for food and drink is growing at the same sluggish pace as the retail market, but the figures, when added together, mask two opposing trends.
2010年考研真题（英语一）阅读理解 Section Ⅱ"no mask could conceal his ignorance"
"they moved in under a mask of friendship"
"He masked his disappointment"
"Mask the children for Halloween"
"mask the meat"
