单词	underseam
释义	> as lemmas underseam underseam n. Brit. /ˈʌndəsiːm/ , U.S. /ˈəndərˌsim/ ΚΠ 1883 W. S. Gresley Gloss. Terms Coal Mining 268 Under-seams, lower or deeper coal seams. extracted from under-prefix1 < as lemmas
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