effective

effective的英语例句

1. Condoms are an effective method of birth control if used with care.

   如果使用得当，避孕套是很有效的避孕手段。

2. Light colours provide an effective backdrop for pictures or a mirror.

   浅色是挂放图画或镜子很有效果的衬托。

3. Women are sometimes seen to be less effective as managers.

   女性有时被认为不善于管理。