lead pencil 铅笔
black lead pencil 铅笔
lead-pencil paper 铅笔书写纸
The Versatile Lead Pencil 万能的铅笔
lead pencil knife 削铅笔刀
decorated black lead pencil 印花铅笔
round black lead pencil 圆杆黑铅笔 ; 圆杆黑石墨笔
lead pencil paper 铅芯包装纸 ; 铅笔书写纸
The lead broke on this pencil, so I have to sharpen it.
这支铅笔的笔芯断了，所以我只好削尖它。
youdao
He grabbed a pencil, and the lead immediately broke.
他抓起一支铅笔，铅笔芯立刻就断了。
《柯林斯英汉双解大词典》
Layers of graphene make up the graphite found in pencil lead.
铅笔芯里的石墨就是由多层石墨烯组成的。
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