| 单词 | efficaciousness |
| 释义 | WordReference Random House Learner's Dictionary of American English © 2024 ef•fi•ca•cious /ˌɛfɪˈkeɪʃəs/USA pronunciation adj. WordReference Random House Unabridged Dictionary of American English © 2024
ef•fi•ca•cious (ef′i kā′shəs),USA pronunciation adj.
ef′fi•ca′cious•ness, n. |
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