Durability of wood and wood-based product. Definitions of hazard classes of biological attack. Part 2: application to solid wood.

木材和木基制品耐久性。生物侵蚀危害等级的定义。第2部分：实心木材应用。

youdao

The same approach might even provide an antidote in the case of a biological attack, because bioweapons are also likely to rely on superantigens.

因为生物武器也很可能由超级细菌制成。

youdao

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。

youdao

But he has doubts about whether they would help in a chemical or biological attack.

CNN: gas mask

Ms O'Toole says that hardly any American cities have practised their response to a biological attack.

ECONOMIST: Biowarfare could be the worst terrorist threat of all

Mr Raffarin said that the threat of a biological attack by terrorists made access to vaccines imperative.

ECONOMIST: Mutual understanding