有治病效力的的英文

• curative

• 有:    5年 fifteen years
• 效力:    render a service to; serve p ...
• 的:    4次方是 The fourth power of 2 i ...
• 无效力的:    inefficacious; inoperative; null
• 有效力的:    efficient rate; operative; potent a. strongly effective; probability; virtuous