英语单词怎么写

参考例句：
aggregative adj.
集合的；集合性的；集团的
Get together
集合,聚集
get together
集合;编纂,汇集
The villagers began to gather, loitering and whispering about the sad event.
村里的人们开始集合，小声谈论这桩不幸的事件。
Hall and Brown first define an on-line bibliographic data base as a collection of records
霍尔和布朗首先把联机书目数据库定义为纪录集合。
Huntington's set contains twenty-three postulates and has sphere and inclusion as primitive terms
韩廷顿公设集合包括23条公设，把球和包含作为原始术语。
The join of A and B, writeen as AUB, is the set of elements which belong to A or B or to both.
A与B的并集记为AUB，是属于A或属于B，或同时属于两者的元素的集合。
The mural (60ft X 10ft) is painted in acrylics on 12 separate boards and assembled in the market place
这幅60英尺长10英尺宽的壁画是用丙烯颜料画在12块单独的木板上，然后集合组装在商业中心的建筑墙面上的。