Definitions

1. 1. effectiveness for a given period of time
2. 2. prescription (law)
3. 3. aging (metallurgy)

Components

• 时 Shí – surname Shi
• 效 xiào – effect

Related Words

• 追诉时效 zhuī sù shí xiào – period during which one can prosecute or sue sb
• 时效性 shí xiào xìng – effectiveness

Word Lists

• TOCFL Level 5