1. demonstrate /ˈdemənstreɪt/
· v. 证明;展示
· The experiment demonstrated the effectiveness of the new drug.
· (实验证明了新药的有效性。)
2. significant /sɪɡˈnɪfɪkənt/
· adj. 重要的;显著的
· There has been a significant increase in student enrollment.
· (学生入学人数有了显著增长。)
3. dilemma /dɪˈlemə/
· n. 困境,进退两难
· She faced the dilemma of choosing between career and family.
· (她面临事业与家庭之间的两难选择。)
4. versatile /ˈvɜːrsətl/
· adj. 多才多艺的;多功能的
· The smartphone has become a versatile tool in daily life.
· (智能手机已成为日常生活中的多功能工具。)
5. enhance /ɪnˈhæns/
· v. 提高,增强
· Regular exercise can enhance mental clarity.
· (定期锻炼能提升思维清晰度。)
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