| 单词 | usefulness |
| 释义 | usefulness nounadjective | verb + usefulness | preposition adjective➤limited, some有限的／一定的用途▸➤general一般用途▸➤practical实际用途▸➤potential潜在用途verb + usefulness➤have有用途▸➤increase增加用途▸➤diminish, limit, reduce减少用途；限制用途◆badly written questions limit the usefulness of questionnaires.问题设计得不好，调查问卷的作用就会打折扣。➤lose失去实用性◆many people claim that the word has lost its usefulness.许多人声称这个词已经用不上了。➤assess, determine, evaluate, examine评估效用；确定效用；检验效果➤question怀疑效用▸➤demonstrate, prove展示／证明效用▸➤outlive再无效用◆the advisory group has outlived its usefulness.顾问小组已失去了它的作用。preposition➤of... usefulness⋯的作用◆the theory is of limited usefulness.这个理论用途有限。➤usefulness for⋯方面的效用◆the exam's usefulness for ranking students考试在为学生排名次方面的作用➤usefulness in在⋯方面的用途◆the drug's usefulness in the treatment of cancer这种药在癌症治疗中的功效➤usefulness to对⋯的作用◆the report is of potential usefulness to the government.这个报告可能对政府有用。usefulnesssee ⇨ useful 4 usefulnessn [u] |
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