您要查找的是不是：
- 率性according to what is natural
- 偏心率性eccentricity
- 随意as one wishes
- 率性之师the teacher for freedom
- 随意的optional
- 孔率性计porosimeter
- 随意地optionally
- 知性intellectuality
- 改性modification
- 费率rate
- 不良率fraction defective
- 性伴侣sex partner
- 容积率volume fraction
- 耐久性wear
- 倍率multiplying power
- 双性恋bisexual love
- 电导率electrical conductivity
- 保障性indemnificatory
- 市盈率p/e (price/earning) ratio
- 有性sexual
