| 释义 |
🔑 ef·fi·cientBrE /ɪˈfɪʃnt/NAmE /ɪˈfɪʃnt/ adjectivedoing sth well and thoroughly with no waste of time, money or energy 效率高的；有功效的◆an efficient secretary 效率高的秘书◆efficient heating equipment 效能好的供暖设备◆the efficient use of energy 能源的有效利用◆As we get older, our bodies become less efficient at burning up calories. 随着一天天衰老，我们的身体消耗热量的功能逐渐减弱。◆fuel-efficient cars (= that do not use much fuel) 节能汽车 OPP inefficient ▸ ef·fi·cient·ly🔑 BrE /ɪˈfɪʃntli/NAmE /ɪˈfɪʃntli/ adverb◆a very efficiently organized event 组织效率极高的活动 |