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- defense against an attack 防御进攻
- Counterdrive: An attacking stroke made against an attacking stroke. 对攻：把对方攻过来的球反击回去。
- This is because the material in cowpox (a disease affecting the udders of cows), was injected into people to protect them against an attack of smallpox. 这是因为牛痘中的物质曾被注射给人体来保护人体免受天花的侵袭。
- Using this FTP-protocol based vulnerability, an attacker could potentially hide an attack by using the firewall identity against an unsuspecting and unprotected external machine. 使用基于此 FTP 协议的易受攻击性，攻击者可能会使用不受怀疑和不受保护 外部计算机的防火墙身份隐藏攻击。
- The forest will act as a defense against desert dust. 森林能起防御沙漠灰沙的作用。
- She had an attack of indigestion yesterday. 她昨天消化不良。
- Defense Against An Unarmed Assailant 对付徒手来犯者
- An attack of fever carried Gary off. 加里突然患了一种热病，不幸死亡。
- I ran up against an old friend yesterday. 我昨天偶然碰到了一位老朋友。
- An enclosure formed by a circle of wagons for defense against attack during an encampment. 车阵用运货车围成的围栏，用作营地的防御地区
- The fort can't be defended against an air attack. 这个要塞无法防御来自空中的袭击。
- The rumours of an attack were later confirmed. 发动攻击的谣传後来得到了证实。
- We reopened an attack against our enemy last week. 上周我们向敌人重新发动了一次进攻。
- The managers want to pit the champion against an unknown. 经理们想让冠军与一名未成名的选手比赛。
- The troops were mustered for an attack. 部队被集合起来发动进攻。
- This is an important defense against internal security risks. 这是一个防范内部危险分子的重要措施。
- He's recovering from an attack of flu. 他的流行性感冒快好了。
- A thick coat is a good defense against the cold. 厚外衣能防寒。
- Arrogance has no defense against a toady. 傲慢防不了谄媚者。
- The fort cannot be defended against an air attack. 这座要塞遭到空袭时无法防御。
