單詞
effectiveness
英 [?'fekt?vn?s]
美[?'f?kt?vn?s]
基本信息
- n. 效力
TOEFL中高頻詞
英英釋意
- 1. power to be effective; the quality of being able to bring about an effect
- 2. capacity to produce strong physiological or chemical effects;
- "the toxin's potency"
- "the strength of the drinks"
effectiveness相關(guān)單詞