词族 · catalpa
词形变化
英语词源
- catalpa (n.)
- c. 1740, from an American Indian language of the Carolinas, perhaps Creek (Muskogean) /katalpa/, literally "head-wing."
权威例句
- 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.
- 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.