1
wear a hairpiece
wear 与 hairpiece 搭配，表示“戴假发片”，常用于掩盖脱发或装扮的语境。
She wears a hairpiece to cover her thinning hair.
她戴假发片来遮盖稀疏的头发。
假发
先理解核心含义，再看它在真实句子里的用法。
假发
a covering or bunch of hair, either human or artificial, used for disguise or adornment
She wears a hairpiece to cover her thinning hair.
她戴假发片来遮盖稀疏的头发。
假发替代品；假发或头套。
A false substitute for a person's hair; a toupee or wig.
She wore a hairpiece to the party to try a new style.
她戴了一个假发去参加聚会，想尝试一种新造型。
His hairpiece looked so natural that nobody noticed.
他的假发看起来非常自然，没人注意到。
The actor uses a hairpiece for roles that require short hair.
那位演员在需要短发的角色中会使用假发。
wear 与 hairpiece 搭配，表示“戴假发片”，常用于掩盖脱发或装扮的语境。
She wears a hairpiece to cover her thinning hair.
她戴假发片来遮盖稀疏的头发。
made of 后接材质，说明假发片的制作原料。
He bought a hairpiece made of natural human hair.
他买了一顶真人发制作的假发片。
for 后接用途或场合，说明假发片的使用目的。
This hairpiece for daily use is lightweight and comfortable.
这款日常用假发片轻便舒适。
Not this
I wear hairpiece every day.
Use this
I wear a hairpiece every day.
hairpiece 是可数名词，不能单独使用，前面需要加 a 等限定词；中文说“戴假发”没有冠词，所以容易漏掉。
Not this
She bought two hairpiece.
Use this
She bought two hairpieces.
two 后接可数名词复数，hairpiece 的复数是 hairpieces，要加 -s；中文没有复数变化，所以容易漏加。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
戴假发
He wears a hairpiece to cover his bald spot.
他戴假发遮住秃顶的地方。
人造假发
She bought a synthetic hairpiece for the costume party.
她为化装舞会买了一个人造假发。
戴上假发
The actor attached a hairpiece for the role.
那位演员为这个角色戴上了假发。
真人发假发
The hairpiece made of human hair looks very natural.
这款由真人头发制成的假发看起来很自然。
Use hairpiece naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想：hair（头发）+ piece（一块）——假发就是“一块头发”戴在头上。
语域：neutral 常见场景：购物或产品介绍、医疗或护理场合、日常提及脱发或造型 hairpiece 是比较中性的说法，通常指假发或假发片，多用于商店、医疗或较正式的交谈中；日常口语里也常说 wig。
这种头饰可为整顶假发，也可为局部发片。
Dictionary facts from ECDICT, WIKTIONARY.