您要查找的是不是：
- 划算be to one's profit
- 聚类clustering
- 聚糖polysaccharide
- 划算的cost-efficient
- 聚四氟乙烯polyfluortetraethylene
- 重聚reunion
- 物以类聚birds of a feather flock together
- 壳聚糖chitosan
- 聚乙二醇Carmowax
- 划算的由所花费的金钱得到的商品或服务上有利的，划算的Economical in terms of the goods or services received for the money spent.
- 聚酰胺daiamid
- 真划算。It's a bargain.
- 聚醚polyether
- 联合国划算吗?IS THE UNITED NATIONS GOOD VALUE FOR THE MONEY?
- 聚类分析cluster analysis
- 聚酰亚胺polyimide
- 聚烯烃polyolefine
- 聚苯polyphenyl
- 聚甲醛Daicel
- 葡聚糖hyskon
