use a pen to write
She uses a pen to write her notes.
她用钢笔写笔记。
钢笔；笔
pens — plural of pen
畜栏；围栏；婴儿围栏；游戏围栏；（棒球）投手练习区；牛棚；注射笔；作家；文风
A writing tool with a point that releases ink.
围栏(关养家畜的圈)
An enclosure (enclosed area) used to contain domesticated animals, especially sheep or cattle.
笔(书写工具,原用羽毛,现为管状)
A tool, originally made from a feather but now usually a small tubular instrument, containing ink used to write or make marks.
雌天鹅。
A female swan.
一种带有墨水流出的书写工具
a writing implement with a point from which ink flows
(棒球)牛棚(候补投手练习区)
The bullpen.
作家或写作风格
A writer, or their style.
用于圈养牲畜的围栏
an enclosure for confining livestock
一种轻便的笔。
A light pen.
可移动的围栏,供婴儿玩耍
a portable enclosure in which babies may be left to play
乌贼体内的羽状内壳。
The internal cartilage skeleton of a squid, shaped like a pen.
注射胰岛素或肾上腺素等药物的笔形装置。
A syringe-like device for injecting a dose of medication such as insulin or epinephrine. (See Injector pen.)
Can I borrow your pen to sign this form?
我能借你的钢笔签这份表格吗？
用法提示：句中“pen”是名词，意为“钢笔”，作为宾语出现。
She bought a set of colorful pens for her art project.
她为她的艺术项目买了一组彩色笔。
用法提示：句中“pens”是名词复数形式，指多支笔。
He accidentally dropped his pen and it stopped writing.
他不小心掉了钢笔，它就不出墨了。
用法提示：句中“pen”是名词，表示书写工具，作主语。
She uses a pen to write her notes.
她用钢笔写笔记。
He put a pen in his pocket.
他把钢笔放进了口袋。
ballpoint 是 pen 的一种具体类型，不能完全替换 pen 的泛指含义。
fountain pen 是 pen 的一种，通常指传统吸墨水的钢笔，与一般的 pen 不完全等同。
grammar · medium
易错句子I have pen.
正确表达I have a pen.
汉语中量词“笔”后不用冠词，但英语中可数名词单数前需加不定冠词“a”或“an”，表示泛指。
grammar · medium
易错句子There are many pen on the table.
正确表达There are many pens on the table.
汉语复数通常不添加词尾，但英语可数名词复数需加“-s”，表示多于一个。
笔名
She writes under a pen name.
她用笔名写作。
圆珠笔
I need a ballpoint pen to fill out this form.
我需要一支圆珠笔来填这个表格。
钢笔
He prefers writing with a fountain pen.
他更喜欢用钢笔写字。
纸和笔
Please bring a pen and paper to the meeting.
请带纸和笔来开会。
笔友
I have been writing to my pen pal for five years.
我和我的笔友通信五年了。
动笔写
It's time to put pen to paper and start your essay.
是时候动笔写你的文章了。
pen + pal
pen + name
pen + -manship
play + pen
bull + pen
pig + pen
开始书写
After months of planning, she finally put pen to paper.
经过几个月的计划，她终于开始动笔了。
笔锋胜过刀剑
The activist proved that the pen is mightier than the sword by influencing public opinion.
这位活动家通过影响公众舆论证明了笔锋胜过刀剑。
笔误
I accidentally wrote the wrong date; it was just a slip of the pen.
我偶然写错了日期，那只是一个笔误。
笔比剑更有力量。
Many people believe that the pen is mightier than the sword.
许多人相信笔比剑更有力量。
我有一支笔，我有一个苹果，啊，苹果笔！
The PPAP song goes 'I have a pen, I have an apple, ah, apple pen!'
《PPAP》这首歌里唱到“我有一支笔，我有一个苹果，啊，苹果笔！”
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY, WORDNET.