效[xiào] 基本解释：
新英汉大词典：
- 效(傚 効)[xiào]
- 名词- （效果; 功用） effect; efficiency; result:
fertilizer efficiency [effect];肥效
produce an effect; prove effective;见效
- 动词- （仿效） imitate; follow the example of:
Those in subordinate positions will follow the example set by their superiors.上行下效。
- （献出） devote (one's energy or life) to; render (a service)
- 效(傚 効)[xiào]
- 名词- （效果; 功用） effect; efficiency; result:
fertilizer efficiency [effect];肥效
produce an effect; prove effective;见效
- 动词- （仿效） imitate; follow the example of:
Those in subordinate positions will follow the example set by their superiors.上行下效。
- （献出） devote (one's energy or life) to; render (a service)
以上内容来源于：《新汉英大辞典》
例句与用法：
We are testing the efficacy of a new drug.
The president promised swift and effective retribution against the terrorists.
When does the new system become effective?
Their efforts to improve the production have been very effective.
If you can use a word correctly and effectively you comprehend it.
效的其他解释: