effectiveness

名词

1. 1

   效果、成效、效力

   Researchers are still testing the effectiveness of the new vaccine.

   研究人员仍在测试这款新疫苗的效果。

2. 2

   有效性、效能较正式

   The report questioned the effectiveness of current safety regulations.

   该报告质疑现行安全法规的有效性。