n.五；五个一组；五年间；五价物
a red pen───红笔
tin opener───（英）罐头刀；（英）开罐器；n.开罐器，罐头刀
sharpen skills───磨炼技巧；精益求精；提高技能
pentateuch wiki───五经维基
cheapen synonym───廉价同义词
lalo pena───我很抱歉。
burst open───v.猛然打开; 绷
crystallography open database───开放式结晶学数据库
resolving dependencies of───正在解析的依赖项
compendious define───简明定义
annual variation appears a tri-peak form in the curve of dekad- or pentad-hail days evolution.───从旬或候雹日演变看，冰雹年变化具有三峰型；
average PCD in Altay region was 0.205; the average PCP was the 38.12 pentad.───全区汛期降水平均集中度为0.205，平均集中期为第38.12侯。
The pentad of care givers' properties has positive effect on their devotion as well.───机构照顾服务员的个人属性与人格特质对工作投入有部分显著影响。
The average PCD in Altay region was 0. 205; the average PCP was the 38. 12 pentad.───阿勒泰全区汛期降水平均集中度为0.205，平均集中期为第38.12侯。
Research on the pentad temperature variation in the past 33 years in Chengdu───成都市近33年候气温变化的研究
The average PCD in Altay region was 0.205; the average PCP was the 38.12 pentad.