52 季节
998 插曲
新星 - Season 17 Episode 3 第 3 集
Sixty-five years after attempts to ban them, chemical weapons pose more of a threat than ever. NOVA looks at the problem of controlling substances that are easily produced and cruelly effective.
- 年: 2025
- 国家: United States of America
- 类型: Documentary
- 工作室: PBS
- 关键词: nature, candid, inspirational, factual, dramatic, informative, instructive
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- 投: