n. 格罗格兰姆呢

[ noun ]
a coarse fabric of silk mixed with wool or mohair and often stiffened with gum
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Grogram \Grog"ram\, Grogran \Grog"ran\, n. [OF. gros-grain,
lit., gros-grain, of a coarse texture. See {Gross}, and
{Grain} a kernel, and cf. {Grog}.]
A coarse stuff made of silk and mohair, or of coarse silk.