effectiveness

C1 Oxf 5000 大学 FREQ #28229

n. 效力 [经] 有效性, 能行性

发音

US /ɪˈfɛk.tɪv.nɪs/

词形变化

effectivenesses 复数 effectivenesses

教材释义与例句

名词

效力

释义与例句

n. C1 Oxf 5000
  1. 1.

    The property of being effective, of achieving results.

    有效性

    可数 不可数

    The effectiveness of the drug was well established.

  2. 2.

    The capacity or potential for achieving results.

    可数 不可数
  3. 3.

    The degree to which something achieves results.

    成效

    效力

    可数 不可数

    He questioned the effectiveness of the treatment.

词汇关系

名词

同义词 5

strength potency effectivity effectuality effectualness

反义词 1

ineffectiveness

上位词 2

power powerfulness

下位词 4

efficacy efficaciousness incisiveness trenchancy

词源

From effective + -ness.

来源：wiktionary