- 释义：
- n. 精髓，要点
- 例句：
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Both the rubber and the pith ball are negatively charged.
这时,橡胶棒和木髓球两者都带负电荷.
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The pith of this stemlike stele appears rather strongly like collenchyma tissue.
茎状中柱的髓显得颇强健,像厚角组织.
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Major Shairpe, much spruced up and wearing a pith helmet , arrived on the dot of nine.
谢普少校打扮得整洁多了,戴着一顶编织着木髓的钢盔, 正好九点来到.
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