efficacy in Korean is 효력. For examples, you can use like [약의 효력, 효력이 떨어지다]. In this post you will learn how to pronounce and use 효력 along with examples.
Basics
| Word | Part | Chinese | Sound |
| 효력 | noun | 效力效力 | 효ː력 |
효력 Meaning
| Meaning | Explanation |
| efficacy; effectiveness | A state of getting good results from taking medicine, etc. |
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