vt.& vi.（使）集中，聚集
adj.群众的；大规模的；整个的；集中的
vi.聚集起来
vt.使集合
网络质量；推测体重；大众；质
1 . On his desk is a massof books and papers.
他的书桌上有大堆的书籍和文件。
来自柯林斯例句
2 . In the spring, the meadow is a massof daffodils.
春天，草地上开满了黄水仙。
来自柯林斯例句
3 . Pope John Paul celebrated masstoday in a city in central Poland.
教皇保罗二世今天在波兰中部的一个城市主持了弥撒。
来自柯林斯例句
4 . Only with massdirect action will we obtain such change.
只有采取大规模直接行动，我们才会取得这样的改变。
来自柯林斯例句
5 . The 1939-45 world war involved the massof the population.
1939至1945年间的世界大战使大多数民众卷入其中。
来自柯林斯例句
be a mass of
1 . 遍布
in mass
2 . 总体，作为整体
in the mass
3 . 整个，整体
1.the property of a body that causes it to have weight in a gravitational field
2.(often followed by `of') a large number or amount or extent;
a batch of letters
3.an ill-structured collection of similar things (objects or people)
4.a body of matter without definite shape;
a huge ice mass
5.the common people generally;
separate the warriors from the mass
6.the property of something that is great in magnitude;
it is cheaper to buy it in bulk
7.occurring widely (as to many people);
mass destruction
8.gathered or tending to gather into a mass or whole;
aggregate expenses include expenses of all divisions combined for the entire year
1.join together into a mass or collect or form a mass;
Crowds were massing outside the palace
1.质量块
2. 团
3. 体
4. 团体
1.①质，物质
2.②块，丸块，团
3.③质量
1.质量
1.质量
1.体量
1.弥撒
1.质荷比
2. mass-to-charge ratio 离子质量与电荷的比值，常用符号m/e表示。
1.质量衰减系数: mass-attenuation coefficient
2. 质量数守恒: mass-number conservation
3. 质能等价性: mass-energy equivalence
4. 质能关系: mass-energy relation
1 . 质量
...的交换组成。以爱维养矿泉水为例，我们用缓慢、辛苦而昂贵的方式，耗费很长时间，把大量笨重而缺乏生气的“质量”（mass）—也就是“原子”—运送到千里之外。经过海关的时候，你需要申报的是原子而不是比特。即使是采用数字录音方.
2 . 推测体重
... → . . . 食性,diet, →肉食典型状态,length up to, →长2.5米推测体重,mass, →30公斤发现者,discoverer, →novas,1997命名者,fi.
3 . 大众
...缺乏上述体认的人在人类历史中却占多数,相对于精英,知识份子而言,是以,这多数人就可称为,大众,大众,mass,一词在十九世纪末,二十世纪初开始被强调,这个字被强调是由于相对于资产阶级,常是一群,非,追求真,善.
4 . 质
...Mason jar 美胜瓶〔家庭自制罐头食品用的大口玻璃瓶〕mass ① 质（量）② 块；丸massbalance 物料平
1 . 质量作用
for the porous absorbent sample , we found its sound transmission loss don't accord to mass - controlled law .一类是多孔吸声材料,发现它的隔声量并不遵从质量作用定律.
1 . 团中
embryonic stem cells detached from inner cell mass ( ICM ) , can maintain self-renewal undifferentiation status and differentiate into almost every type of cells .胚胎干细胞是从早期胚胎内细胞团中分离得到的，可以长久维持对称性自我更新的未分化状态，也可以分化成机体几乎所有类型的细胞。
1 . 成批生产
tape-recording - tape-record 磁带录音mass-production - mass-produce 成批生产dry-cleaning - dry-clean 干洗
1 . 附加质量
附加质量added mass ,associated mass收缩contraction镜象法 image method无量纲参数 dimensionless parameter几何相似 geometric similarity.
