单词ruddle
n.: 【矿】代赭石；赭色
v.: 用红土在(羊身上)作记号；涂红土于
网络: 用红土做记号；瑞德尔
用红土在(羊身上)作记号;涂红土于
【矿物】代赭石,红土;赭色
赭色赤铁矿
过去分词：ruddled
现在分词：ruddling
第三人称单数：ruddles
Chinese codex(2000 edition)said that processing of ruddle is to calcine it thoroughly and quench with vinegar and grind it into meal.
《中国药典》2000年版规定，对代赭石的炮制要用“煅至红透，醋淬，碾成粗粉的方法”。
Investigative datum confirm, the content of AlO(OH) 3 bauxite in ruddle is very high many ruddle have attained industry require.
研究资料证实，红土中的三水铝石含量甚高，不少地段已达到工业利用的要求。
Teacher: Boys, I have a ruddle for you. It has a beautiful feather, and it can wake you up every morning. What is it, Tom?
老师：“男孩们，我有一个谜语给你们猜：它有漂亮的羽毛，并且它可以在每天早上叫醒你。它是什么，汤姆？”
Discussion of Best Ways of Processing Ruddle
中药代赭石最佳炮制方法探讨