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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。
- Capable of masking or neutralizing odors. 可除臭的可以掩臭或中和臭气的
- residual masking 剩余掩蔽
- 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。
- 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。
- 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。
- The debate over the residual powers of the States has been long drawn out. 有关美国剩余的权力的争论已是旷日持久的了。
- 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。
- 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。
- A couple of seconds.No residual discomfort. 几秒钟时间,之后不适感不会有所遗留
- 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。
- BA was a shortterm residual compound in the soil. 溴乙酰胺在土壤中为短残留化合物。
- 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。
- In DDTs the residual level of p,p? DDTs中p,p?
- Flush residual spill area with water. 用水冲洗泄漏残留物。
- Methods Residual spraying with ULV sprayer. 方法 用超低容量喷雾器进行雾化滞留喷洒。
