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2026英语单词在线查_免费看外语词汇翻译-单词机
effectiveness
effectiveness英英释意
effectiveness
英 [ɪ'fektɪvnɪs] 美[ə'fɛktɪvnɪs]
英英释义
考试真题
实用场景例句
n. 效力
英英释意
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"
