The crash had spilled a noxious defoliant into the planet's ecology, ravaging the native flora.
这次坠毁将一种有害的落叶剂洒入星球的生态系统中, 破坏着当地的植物群.
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Defoliant: Chemical dust or spray applied to plants to cause their leaves to drop off prematurely.
落叶剂: 落叶剂是一种化学粉剂或喷洒剂,施于植物以使树叶提早掉落.
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