Definition: very or to a large degree Level: C1
这是一种非常有效的治疗方法。
This is a ___highly effective treatment.
我们在这里遇到任何人的可能性非常低。
We are ___highly unlikely to meet anyone here.
现在它配备了一个非常高效的搜索系统。
Now it features a ___highly effective searching system.
