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- He wore a mask so that no one should recognize him. 他戴了一个面罩，使别人认不出他来。
- Some pumps and all vacuum cleaners work by suction. 有些泵和所有真空吸尘器都是借吸力工作的。
- Flies' feet stick to surfaces by suction. 苍蝇的脚借吸力可附着于物体表面上。
- Sham is sham and the mask must be stripped off. 假的就是假的，伪装应当剥去。
- He tried to mask his disappointment with a smile. 他试图以微笑来掩饰他的失望。
- The mask fitted tightly over his face. 他用面具把脸蒙得严严的。
- They did so under the mask of charity. 他们是打着慈善的幌子这么做的。
- We'll get the water out with a suction pump. 我们将用抽水机把水抽出来。
- mask suction 面罩负压
- Dirt and dust are drawn into a vacuum cleaner by suction. 污物和灰尘被吸入吸尘器。
- Such feelings tend to remain submerge beneath a mask of social politeness. 在社交礼貌的掩盖下，这样的情感往往不会显露出来。
- Operating by means of suction or by maintaining a partial vacuum. 抽真空的用吸取的方式或用维持部分真空的方式来运作的
- Her sociable manner is really a mask for a very shy nature. 她那好交际的作风，实际上是她腼腆天性的伪装。
- For a moment his mask of benevolence fell and the real man was revealed. 一刹那间，他慈善的假面扔掉，露出了他的真面目。
- A base, ungenerous wretch who under the mask of friendship has undone me. 有个卑鄙、吝啬的家伙打着友谊的幌子把我毁了。
- Reconnect main lumen to suction source. 请将主腔管道连接吸引源。
- A mask, in the character of an old woman, joined them. 一个戴着假面具扮演老妇的人加入了他们的行列。
- He preserved his mask of solemnity even with acquaintances. 他甚至和熟人交往也保持着一本正经的面孔。
- He conceals his worries behind a mask of nonchalance. 他装作若无其事，藉以掩饰内心的不安。
- Air is drawn in through reeds by suction bellows. 空气通过簧片引入吸气风箱。
