| 单词 | effectiveness |
| 释义 | effectiveness effectiveness /-nəs/ noun [U] ► C1» There are doubts about the effectiveness of the new drug (= how successful it is) in treating the disease.Thesaurus+: ↑Efficient and effectiveMain Entry: ↑effective |
| 随便看 |
英语词典包含67674条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。