| 单词 | efficacity |
| 释义 | efficacious /ef-i-kāˈshəs/adjectiveAble to produce the result intended ORIGIN: L efficāx, -ācis, from efficere; see efficient efficāˈciously adverb efficāˈciousness, efficacity /-kasˈi-ti/ or effˈicacy /-kə-si/ noun
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