effectiveness
中文意思
- n. 有效性
- n. 效力
英文释义
- n. power to be effective; the quality of being able to bring about an effect
词形变化
- 复数
- effectivenesses
例句
n. 有效性
The study was designed to test the effectiveness of the new teaching method in high schools.
这项研究旨在测试这种新教学方法在高中的有效性。
n. 效力
Doctors are worried that the medicine might lose its effectiveness if it is not stored properly.
医生们担心，如果保存不当，这种药物可能会失去效力。