This flashcard teaches the word 'effectiveness', with the pronunciation [ɪ'fektɪvnɪs], meaning efficacy or power.
这张卡片教授的单词是 effectiveness，发音是 [ɪ'fektɪvnɪs]，意思是效力。
| 单词 | effectiveness |
|---|---|
| 发音 | [ɪ'fektɪvnɪs] |
| 释义 | n. 效力 |
| 词序 | 3578 |
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