So they got as much stout canvas as would make a double covering for their little skiff; and, in order to make it watertight, they first soaked it in tallow, and then covered it with pitch.
所以他们找到了尽可能多的粗糙的帆布双层覆盖着他们的小划艇。为了让它不漏水，他们先把它浸泡在油脂里，然后又涂了一层沥青。
| 单词 | Double covering |
| 释义 |
Double covering
原声例句
英国原版语文第三册 So they got as much stout canvas as would make a double covering for their little skiff; and, in order to make it watertight, they first soaked it in tallow, and then covered it with pitch. 所以他们找到了尽可能多的粗糙的帆布双层覆盖着他们的小划艇。为了让它不漏水，他们先把它浸泡在油脂里，然后又涂了一层沥青。
英语百科
Double cover（重定向自Double covering）
In mathematics, a double cover or double covering may refer to: Double coverage may also refer to: |
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