A pencil: a writing instrument with a graphite (historically called 'lead') core, widely used for writing and drawing.
試験では鉛筆と消しゴムを忘れないでください。
Don't forget your pencil and eraser for the exam.
鉛筆を削ると薄い木の匂いがする。
When you sharpen a pencil, it smells faintly of wood.
彼はスケッチに鉛筆を使うのが好きだ。
He likes to use pencils for sketching.
色鉛筆は普通の鉛筆と違い、芯が色鉛でできている。
Colored pencils differ from ordinary pencils in that their cores are made of colored pigment.