英語翻譯：

effect; imitate; render

例句：

1. 我們正在測試新藥的功效。
   We are testing the efficacy of a new drug.
2. 總統(tǒng)答應(yīng)會迅速有效地懲罰 * 。
   The president promised swift and effective retribution against the terrorists.
3. 新制度何時生效？
   When does the new system become effective?
4. 那是用于提高戲劇效果的配樂。
   It's the music to heighten the dramatic effect.
5. 他們提高生產(chǎn)力的措施卓有成效。
   Their efforts to improve the production have been very effective.
6. 你如果可以正確有效地使用一個詞，你就是了解它了。
   If you can use a word correctly and effectively you comprehend it.