英语词汇propelling pencil怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	propelling pencil
释义	propelling pencil noun a pencil with a plastic or metal case and a thin replaceable lead that may be extended as the point is worn away by twisting the outer casing （旋转式）活动铅笔。
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