他写了一篇作文。
Tā xiě le yì piān zuòwén.
English
He wrote an essay.
measure word for articles and essays; piece (of writing)
sheet; piece of writing; bound set of bamboo slips used for record keeping (old)
Every character draws itself stroke by stroke, then hands you the brush to trace it yourself.
Nice writing!
他写了一篇作文。
Tā xiě le yì piān zuòwén.
He wrote an essay.
这篇文章我看了两遍。
Zhè piān wénzhāng wǒ kàn le liǎng biàn.
I read this article twice.