1、Our line of defense was strongly fortified.
我們的防線壁壘森嚴。

2、Passwords tend to be our main and sometimes only line of defense against intruders.
密碼可以看作我們主要，甚至某些情況下唯一可用于防范入侵的防線。

3、One more line of defense against the unnamed horrors that lurked beyondher walls.
為了防御墻外隱伏的恐怖，多加上一層防護。

4、The first line of defense in a secure program is to check every untrusted input.
安全的程序中第一道防線是檢查每一個不可信的輸入。

5、The ego is the first line of defense between the self and the outside world.
自我是本性和外部世界之間的第一道防線。

6、Interferon system is the first line of defense against virus invasion in vertebrate.
干擾素(IFN)系統(tǒng)是脊椎動物抵抗病毒入侵的第一道防御系統(tǒng)。

7、Error messages are your first line of defense as a developer.
出錯消息是作為開發(fā)人員的第一道防線。

8、Moreimmediately, he longed to become a turret gunner, the first line of defense fora truck team.
至于眼下的夢想則是做一名及槍炮兵，負責(zé)保衛(wèi)運輸車隊。