| 61. | feel shy in the presence of the opposite sex |
| 在异性面前感到腼腆
|
| 62. | the sex problem |
| 性（的）问题
|
| 63. | the first of her sex to teach on the Princeton campus |
| 在普林斯顿大学执教的第一位女性
|
| 64. | classify by sex [age, nationality, locality, etc. ] |
| 根据性别[年龄、民族、地区]分类
|
| 65. | a sex criminal |
| 性犯罪者
|
| 66. | free, uninhibited description of sex |
| 自由放纵的性描写
|
| 67. | without distinction of [as to] sex and age |
| 不分男女老幼
|
| 68. | age [ sex ] discrimination |
| 年龄[性别]歧视
|
| 69. | a sex disease |
| 性病
|
| 70. | have sex (with sb.) |
| (口）（与某人）发生性关系。
|