oakbark

名词 n.
中文释义

英文释义

名词 n.
  1. The bark of the oak tree, often specifically as a source of tannic acid; tan. uncountable
    — Some kinds of fish oils are similarly improved by vigorous agitation with oakbark infusion or other liquors containing tannin, conveniently effected by blowing a rapid current of steam through the whole: […]

词形变化

oak bark alternative oak-bark alternative

词源

From oak + bark.
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