Chinese codex(2000 edition)said that processing of ruddle is to calcine it thoroghly and quench with vinegar and grind it into meal.
《
典》2000年版规定,对代赭石的炮制要
“煅至红透,醋淬,碾成粗粉的方法”。
ruddle
/'rʌd(ə)l/ /'rʌdl/
- n. 代赭石
- vt.
红土做记号,使发红
时 态: ruddled, ruddling, ruddles
：
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相似单词
ruddervator, ruddevator, ruddily, ruddiness, rudding, ruddle, ruddleman, ruddock, ruddy, rude,