efficacious
US /ˌef.əˈkeɪ.ʃəs/
UK /ˌef.əˈkeɪ.ʃəs/
形容词
1.
有效的
able to produce the intended result:
示例:
•
We believe that educational or counseling programs are a more efficacious way of dealing with this problem than harsh sanctions.
在 Lingoland 学习这个单词