铅笔铅的英文：
pencil-lead
n. 铅笔，色笔，画笔
v. 用铅笔写或涂
Please sharpen this pencil.
请削一削这只铅笔。
I have but one pencil.
我只有一支铅笔。
Please issue everyone with a pencil.
请给每人发一支铅笔。
Pencils are graded according to softness.
铅笔根据硬度分类。
Nobody else has a pencil sharpener.
再没有谁有卷笔刀了。
v. 带领，引导；通往；致使；领先
n. 领先；榜样；线索；导线；铅
Will you take the lead?
你领个头好吗？
Lead poisoning( or plumbism )：Poisoning by accumulation of lead in the body.
铅中毒:铅在体内积累引起的中毒。
The road leads direct there.
这条路直接通那儿。
The dog is straining at its lead.
那条狗正使劲地拖拽皮带。
Put the dog on the lead!
用皮带牵住狗！