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A hairbrush is the brush you pull through the hair on your head to smooth it, take out knots, and help it lie the way you want. It has a handle and a head full of bristles or pins — not teeth in a row.
A hairbrush is the brush you pull through the hair on your headhairbrush是你用來梳頭髮的那種刷子, to smooth it, take out knots, and help it lie the way you want用來把頭髮弄順、梳開打結，讓頭髮乖乖聽話。It has a handle and a head full of bristles or pins它有一個握把，刷頭上滿滿的是鬃毛或刷齒, not teeth in a row而不是一整排的梳齒
That last point matters, though actually a lot of people point at a hairbrush and say “comb,” and the other way round too. A comb is the thin thing with teeth; a hairbrush is the bristly one.
That last point matters最後這一點很重要, though actually a lot of people point at a hairbrush and say "comb,"不過其實很多人指著hairbrush卻說成「comb」, and the other way round too反過來也常常搞混。A comb is the thin thing with teethcomb是那種薄薄、有梳齒的東西; a hairbrush is the bristly onehairbrush則是有鬃毛的那一種
You can buy a brush (wide and flat, good for long hair), a round brush (used with a dryer to bend the hair), or a small one for travel. People also keep a hairbrush by the door for a last tidy before going out.
You can buy a paddle brush (wide and flat, good for long hair)你可以買一把paddle brush（板狀刷，寬寬扁扁的，適合長頭髮）, a round brush (used with a dryer to bend the hair)或round brush（圓刷，搭配吹風機用來把頭髮吹出弧度）, or a small one for travel或是一把方便旅行帶的小刷子。People also keep a hairbrush by the door for a last tidy before going out大家也會在門口放一把hairbrush，出門前最後整理一下頭髮
It is almost always a thing, a noun. English speakers do not really say “hairbrush your hair”; they say “brush your hair,” even when the tool in their hand is a hairbrush. The word is ordinary, home-and-bathroom English — not fancy, not slang.
It is almost always a thing, a noun這個字幾乎都是當名詞、指一個東西。English speakers do not really say "hairbrush your hair";英語使用者不太會說「hairbrush your hair」 they say "brush your hair,"他們會說「brush your hair」（刷頭髮）, even when the tool in their hand is a hairbrush就算手上拿的工具就是hairbrush也一樣。The word is ordinary, home-and-bathroom English這個字很普通，是居家、浴室裡會用的英文, not fancy, not slang不花俏，也不是俚語
組成hair + brush：hair 是頭上的頭髮，brush 是刷子。
同家族的字
- toothbrushsame brush — a brush for teeth
- paintbrushsame brush — a brush for paint
原始詞典資料2 筆記錄
以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
hairbrushnoun
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A brush used in hair care for brushing, tidying, and detangling hair
hairbrushverb
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To spank with a hairbrush.
- Bad feeding, adolescence—always a dangerous period for the male—and the brutality and bestiality in the dormitories made life a hell on earth. An apathy settled on me. I withered. I learned nothing; I did nothing. I was kicked, hounded, caned, flogged, hairbrushed, morning, noon, and night.
- Do you know what it’s like, Brannan, to be flogged and hairbrushed, kicked and cursed every day of your school life? I’m treated worse than a dog and nobody gives a damn—least of all the masters.
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。