单词:mica wedge
云母楔
单词:mica wedge 相关文章
A man went into the woods.He felled a tree,and began to cut it into pieces.He lifted one end of the tree on the stump,sat astride up-on it,and began to saw.Then he drove a wedge into the cleft,and began to saw farther along;then he re
发表于:2019-02-18 / 阅读(49) / 评论(0)
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