catalpa是什么意思
- 英式英标[kə\'tælpə]
- 美式音标[kə\'tælpə]
英文词源
- catalpa (n.)
- c. 1740, from an American Indian language of the Carolinas, perhaps Creek (Muskogean) /katalpa/, literally "head-wing."
实用例句
- 1. OBJECTIVE : To evaluate the influence of different technics on the contents of catalpa in rehmannia root.
- 目的: 探讨不同炮制方法对地黄中梓醇含量的影响.
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- 2. The reaction of catalpa oil, tung oil and hydroxyl - terminated polybutadiene gives alkyd resin with quick - drying property.
- 利用梓油和桐油以及带端羟基的聚丁二烯(下文简称丁羟)合成了具有快干特征的醇酸树脂.
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