pencil lead
noun
Graphite (formerly blacklead) as used for making pencils; = lead; a slender rod of this used in a wooden pencil or a propelling pencil.
Origin
Mid 19th century.
| 单词 | pencil lead |
| 释义 | pencil leadnoun Graphite (formerly blacklead) as used for making pencils; = lead; a slender rod of this used in a wooden pencil or a propelling pencil. Origin |
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