剑麻象甲

sisal weevil的用法和样例:

例句

  1. The sisal pulp and aramid fiber were chose to fabricate the wet paper-base friction materials.本文采用高性能芳纶纤维和剑麻纤维为原料制备湿式纸基摩擦材料。

A statue on Main Street in Enterprise, Alabama, features a woman holding a large, black boll weevil above her head. While many U.S. cities have suffered because of the recession, one town in the southern state of Alabama, has fared surprisingly well.

发表于:2019-01-13 / 阅读(130) / 评论(0) 分类 VOA标准英语2010年(八)月