积极防御的英文：
active defence
adj. 活跃的，积极的；现行的；主动的
n. 积极分子
She is an active participant in this activity.
她积极参与这项活动。
They are union actives.
他们是工会积极分子。
contamination activity
污染放射性
He took an active part in the extracurricular activities in the school.
他积极参加学校的课外活动。
The students take an active part in the school activities.
同学们都积极参加学校组织的各项活动。
n. 防御；国防，防卫手段；防御物，防御设备；辩护；后卫
Then they hastily came to his defence.
这时他们急忙来为他辩解。
He is the Shadow Minister of Defence.
他是影子内阁的国防部长。
The most effective defence is offence.
最好的防御是攻击。
The court issued a defender of defence.
辩护人当庭发表了辩护意见。
A weak barrier,defence,team
不结实的挡板、无力的防御、弱队