The bark is stripped off, soaked, and beaten until it is thin.
作法是剥取树皮后，经浸渍和捶打使它变薄。
Tapa cloth is an unwoven fabric made by pounding bark into a thin sheet.
南洋树皮纸是种非织造织物，是通过把树皮挤压成薄皮而制成的。
This paper illustrates the reaction of larch bark tannin extracts with sulfite and sodium hydroxide and the tests of its solution viscosity, MW-distribution and thin-layer chromatography.
通过对落叶松栲胶进行亚硫酸盐和氢氧化钠的改性，测定其溶液黏度，用不同溶剂进行分级和薄层色谱。
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