linen cloth短语⁷⁹⁹⁷⁸⁺⁹ 基本例句 亚麻织物,亚麻布 Later in the1500s, one of the first improvements to the condom was made, when the linen cloth sheaths were sometimes soaked in a chemical solution and then allowed to dry prior to use. 1500年以后，当亚麻鞘有时会用化学溶剂浸透并且在使用前需要晾干时，第一个改进后的避孕套发明了出来。 yeeyan