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单词 spotted alfalfa aphid
释义 spotted alfalfa aphid
 a pale yellowish aphid, Therioaphis maculata, of the southern U.S., esp. west of the Mississippi River, that is marked with black spots and has fine spines on its back: a pest mainly of alfalfa and some other legumes, as clover.
 [1955-60]
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更新时间:2024/12/23 13:23:18