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line of defense的英文翻譯是什麼意思，詞典釋義與在線翻譯：
英英釋義
Noun:
-
any organization whose responsibility it is to defend against something;
"police are the major line of defense against crime"
-
defensive structure consisting of a barrier that can be employed for defense against attack
line of defense的用法和樣例：
例句
- Our line of defense was strongly fortified.
我們的防線壁壘森嚴。 - The army pierced the enemy's line.
部隊突破了敵人的防線。
