The risin and tannin that can be extracted from it are sought by the chemical industry.
从中提香和鞣是化学业很需要。
声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
It takes years for a skeleton to vanish, but the shoes treated with tannic acid—they won't eat them.
骸骨需要几年才能消失，但是用酸处理过鞋子——海水无法吞。
Turns out, it was made from the tannic acid of gall nuts.
原来，是用食子（五倍子）酸制成。
The water draws out of this bark a substance known as tannin; and the tannin changes the soft, jelly-like skins into tough, strong leather.
在水作用下, 树皮能够分泌一种名叫酸物质, 而就可以把凝胶一般柔软毛皮变成结实、牢固皮革。
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划词翻译
详细解释
香和鞣
是化学
业
很需要。
酸
。
是用
食子（五倍子）
酸
