a pencil
铅笔是可数名词，可用冠词修饰。
Can I borrow a pencil?
我能借一支铅笔吗？
铅笔；色笔
pencils — plural of pencil
眉笔；光线束；一种书写工具,具有石墨(通常称为铅)芯,通常与粘土混合,包裹在木头中,并削尖成锥形。；一束光线的集合,尤其是从一点发散或汇聚到一点时。；具有共同属性的几何对象族,例如在射影平面中通过给定点的直线集合。
a thin cylindrical instrument for writing or drawing, with a core of graphite or colored material encased in wood
一种书写工具,具有石墨(通常称为铅)芯,通常与粘土混合,包裹在木头中,并削尖成锥形。
A writing utensil with a graphite (commonly referred to as lead) shaft, usually blended with clay, clad in wood, and sharpened to a taper.
一束光线的集合,尤其是从一点发散或汇聚到一点时。
An aggregate or collection of rays of light, especially when diverging from, or converging to, a point.
具有共同属性的几何对象族,例如在射影平面中通过给定点的直线集合。
A family of geometric objects with a common property, such as the set of lines that pass through a given point in a projective plane.
一小簇细毛或羽毛。
A small, thin tuft of hairs or feathers.
I need to sharpen my pencil before the exam.
考试前我需要削尖我的铅笔。
用法提示：这里 'pencil' 作为名词，指书写用的铅笔。
She drew a beautiful sketch with a pencil.
她用铅笔画了一幅漂亮的素描。
用法提示：这里 'pencil' 作为名词，指绘画用的铅笔。
Please hand in your answers in pencil, not pen.
请用铅笔作答，不要用钢笔。
用法提示：这里 'pencil' 作为名词，指一种书写工具。
铅笔是可数名词，可用冠词修饰。
Can I borrow a pencil?
我能借一支铅笔吗？
常与其他名词构成复合词，如铅笔盒、卷笔刀等。
She bought a new pencil case.
她买了一个新铅笔盒。
表示用铅笔书写或绘画。
Please write your answers in pencil.
请用铅笔写答案。
指锥状或束状的光线。
A pencil of light entered the room.
一束光线射入房间。
grammar · medium
易错句子I need pencil to draw.
正确表达I need a pencil to draw.
pencil是可数名词单数，泛指时前面需要加不定冠词a。
grammar · medium
易错句子There are many pencil on the desk.
正确表达There are many pencils on the desk.
pencil的复数形式是pencils，表示多个时应加s。
尖铅笔
She prefers a sharp pencil for drawing fine lines.
她喜欢用尖铅笔画细线。
铅笔盒
He carries a pencil case with many colors in his backpack.
他书包里带了一个装满各种颜色铅笔的铅笔盒。
铅笔刀
Can I borrow your pencil sharpener? Mine is broken.
我能借用你的铅笔刀吗？我的坏了。
自动铅笔
I use a mechanical pencil because it doesn't need sharpening.
我用自动铅笔因为它不需要削。
彩色铅笔
This drawing was made with colored pencils.
这幅画是用彩色铅笔画的。
铅笔画
She is known for her realistic pencil drawings.
她以逼真的铅笔画闻名。
pencil + case
pencil + sharpener
pencil + lead
pencil + sketch
eyebrow + pencil
pencil + in
暂定；安排
Let's pencil in a meeting for next Tuesday.
我们暂定下周二开个会。
办公室职员（常含贬义）
He's just a pencil pusher, not a real decision-maker.
他不过是个小职员，不是真正的决策者。
开始写；开始画
It's time to put pencil to paper and start your essay.
是时候动笔开始写你的文章了。
Dictionary facts from ECDICT, WIKTIONARY.