a chemical-weapons attack 化武袭击
resistance to chemical attack 抗化学腐蚀能力
massive chemical attack 大规模化学攻击
chemical attack resistance 抗侵蚀性 ; 耐化学腐蚀
chemical surface attack 化学表面侵蚀
chemical attack 化学侵蚀 ; 化学亲和力
free from chemical attack 无化学物品的腐蚀
Resistance to severe chemical attack 抗高强度化学侵蚀性
aerial chemical attack 空中化学袭击
Attack by scavengers and bacteria, chemical decay, and destruction by erosion and other geologic agencies make the odds against preservation very high.
食腐动物和细菌的攻击、化学性腐烂,以及侵蚀和其他地质作用的破坏,导致无法保存的可能性非常大。
Ants store food, repel attackers and use chemical signals to contact one another in case of attack.
蚂蚁储存食物,击退攻击者,并使用化学信号联系彼此以防被攻击。
This apparently walks back from a Bush-era declaration that underscored the possibility that the United States might use nuclear weapons if it suffered a chemical or biological attack.
这显然是走回布什时代的宣言,强调了美国可能会使用核武器如果它受到了化学或生物武器的袭击的可能性。
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