释义 |
WordReference Random House Unabridged Dictionary of American English © 2024yel′low rain′, - Ecology, Fungismall, powdery yellow deposits containing the fungal toxin tricothecene, found on leaves and other surfaces in Southeast Asia and Afghanistan in the early 1980s and alleged by some to be a chemical weapon disseminated by air but claimed by others to be pollen-containing bee excrement contaminated by fungus.
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