重 点
The two sexes are the two groups, male and female, into which people and animals are divided according to the function they have in producing young. (雌、雄、男、女) 性
noun [具体名词] 性行为，性交；性，性别；雄性，雌性；性器官（用于小说中避免更粗俗或更露骨的措词）
She continually failed to gain promotion because of her sex. 由于性别的原因，她频频得不到升职。
verb [vt. 及物动词] 辨别...的性别，辨识...的雌雄；<非正式> 引起…的性欲
He exudes sex appeal. 他浑身洋溢着性魅力。
- sex 出现在下面的课文中（提供视频、音频及笔记等可系统性学习）
- Lesson 41 Training elephants
