1. With something defensive, probably shielding of some kind. 用些保护性的，大概防御性一类的。
2. It put the enthusiasts for progressive methods on the defensive. 它迫使热情支持进步教学法的人处于守势。
3. Like 360 就象360度带球那样，360度防守动作允许所有无球队员利用360度的意识来自由移动和防守。
英英解释
n.
1. an attitude of defensiveness (especially in the phrase `on the defensive')
2. intended or appropriate for defending against or deterring aggression or attack
3. attempting to justify or defend in speech or writing
4. serving as or appropriate for defending or protecting
