effect形容词副词（effect动词例句）

effect的形容词为effective，副词为effectively

例句

1.

Television is an effective means of communication.

电视是一种有效的通信手段。

2.

It has been demonstrated that this drug is effective.

这药已证实是有效的。

3.

Cooperative activity is essential to effective community work.

要把社区工作做好，协作活动是必不可少的。