您要查找的是不是：
- 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。
- In our work quality counts for as much as quantity. 在我们的工作中，质量跟数量同等重要。
- Ifs cheaper to buy goods in quantity. 大量地购物要便宜些。
- Capable of masking or neutralizing odors. 可除臭的可以掩臭或中和臭气的
- A quantity of unknown numerical value. 未知数数值不明的一个数量
- 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。
- We use x as the symbol for an unknown quantity. 我们用x表示一个未知数。
- Time, place, quantity and quality are categories. 时、空、质、量都是范畴。
- The mask fitted tightly over his face. 他用面具把脸蒙得严严的。
- Quality often matters more than quantity. 质量往往比数量更重要。
- They did so under the mask of charity. 他们是打着慈善的幌子这么做的。
- This company is more concerned with quality than with quantity. 这家公司对质量比对产量更重视。
- Of medium or average quantity or extent. 中等的中等的或一般的数量或范围的
- Existing in great quantity or ample supply. 丰富的，富裕的大量存在或充足供应的
- 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。
- Deficient in quantity, fullness, or extent; scanty. 不足的，缺乏的在数量、程度或范围上缺乏的; 不足的
- The factory turns out a large quantity of paper products. 这家工厂生产大量的纸制品。
- The new sales director is still a bit of an unknown quantity. 新来的销售部主任大家还不大了解。
- 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。
