| 单词 | 笔芯 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔grease pencil〕A pencil of hard grease mixed with colorings, used especially for marking on glossy or glazed surfaces.油脂铅笔：以硬油脂混以颜料为笔芯的铅笔，尤用于在光滑的或上釉的表面上做记号美国传统〔lead〕I dropped the pencil and broke the lead.我把铅笔摔了, 笔芯断了。外研社新世纪〔refill〕I must go and buy some refills for my ballpoint pen.我得去给圆珠笔买几支笔芯。英汉大词典Both diamonds and pencil lead, or graphite, are made of pure carbon.钻石和铅笔芯，或石墨都是用纯碳制成的。剑桥国际 |
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