单词 | dross |
---|---|
音标 | [drɔs] |
解释 | n.浮渣;糟粕 |
红宝书 | 【英】 n. 浮渣(a scum);糟粕(waste matter) 【考】 dross : metal / chaff : grain(金属的浮渣/谷物的 糠秕)purification: dross / desalinization : salt(提纯去除杂质/脱盐 去除盐) 【例】 discard the dross and select the essential(去粗取精) |
字源 | dross (n.) "dirt, dregs," Old English dros "the scum thrown off from metals in smelting," from Proto-Germanic *drohs- (cognates: Middle Dutch droes, Dutch droesem, Middle Low German dros, Old High German truosana, German Drusen "dregs, husks"), from PIE dher- (1) "to make muddy." Meaning "refuse, rubbish" is mid-15c. |
不择手段背单词 | n. 浮渣(在融化金属时浮升至的氧化物); 糟粕(没有价值; 锁碎的事物) 【记】d地, ross = rose: rose掉地上了, 变成了糟粕 【参】dregs(n 渣滓; 糟粕) 【类】dross: metal = chaff: grain 金属的浮渣 = 谷物的谷壳purification: dross = desalinization: salt提纯去除杂质 = 脱盐去除盐 |
趣味全助记 | 【记】音:浊丝;近于dregs; dose 药,喝(中)药剩下的药渣; |
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