在二十世纪中，许多国家都不断地扩大生物和化学武器储备。
The 20th century witnessed a continuous accumulation of potential biological and chemical weapons in many nations.
中国主张全面禁止和彻底销毁生物武器和化学武器，坚决反对此类武器的扩散。
China stands for complete prohibition and thorough destruction of biological and chemical weapons and firmly opposes proliferation of such weapons.
中国严格履行《禁止化学武器公约》和《禁止生物武器公约》规定的义务，不以任何方式协助、鼓励任何国家获得化学武器和生物武器。
China strictly adheres to its obligations under the CWC and BWC, and will not in any way help or encourage any country to obtain chemical or biological weapons.
他们利用生物，化学武器和不明确的威胁世界和平。
They use biological, chemical and unclear weapons to threaten world peace.
当他的妻子打来电话宣布和他离婚的警告时，他还在查看一台数码计数器核对数据，以对一种生物化学武器的理论框架做出评估。
When his wife rang him up to declare her divorce alarm, he was still scanning a digital counter to check the data so as to give an assessment of the theoretical framework for a biochemical weapon.
如果生物武器看来可怕而难以估算的话，化学武器同样令人不寒而栗。
If biological weapons seem too terrible to contemplate, chemical weapons are equally chilling.
化学武器和生物武器问题。
化学武器和生物武器问题。
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