stonefly
英 ['stəʊnflaɪ]美
n. 石蝇
英文词源
stonefly (n.)
mid-15c., from stone (n.) + fly (n.). So called because the larval forms abound under stones of steams.
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英 ['stəʊnflaɪ]美
n. 石蝇
stonefly (n.)
mid-15c., from stone (n.) + fly (n.). So called because the larval forms abound under stones of steams.