1
a/an + (adjective) + toothbrush
toothbrush 是可数名词，单数形式前通常需要冠词 a/an。
I bought an electric toothbrush.
我买了一把电动牙刷。
牙刷
先理解核心含义，再看它在真实句子里的用法。
牙刷
toothbrush
I bought an electric toothbrush.
我买了一把电动牙刷。
配合牙膏清洁牙齿的刷子。
A brush, used with toothpaste, for cleaning the teeth.
小刷子,长柄,用于清洁牙齿
small brush; has long handle; used to clean teeth
胡须的俚语
slang for a mustache
I forgot to pack my toothbrush, so I bought one at the hotel shop.
我忘了带牙刷，所以在酒店商店买了一把。
Dentists recommend changing your toothbrush every three months.
牙医建议每三个月更换一次牙刷。
She squeezed some toothpaste onto her toothbrush and began to brush her teeth.
她往牙刷上挤了些牙膏，然后开始刷牙。
toothbrush 是可数名词，单数形式前通常需要冠词 a/an。
I bought an electric toothbrush.
我买了一把电动牙刷。
介词 with 可表示动作所使用的工具。
She cleaned the keyboard with an old toothbrush.
她用一把旧牙刷清洁键盘。
use ... to do 表示用某物做某事。
You can use a toothbrush to clean between the tiles.
你可以用牙刷清洁瓷砖之间的缝隙。
Not this
I need to buy toothbrush.
Use this
I need to buy a toothbrush.
名词toothbrush为可数名词，单数形式前需要限定词（如a、the、my）。汉语没有冠词，学习者容易遗漏。
Not this
My sister forgot her teethbrush at home.
Use this
My sister forgot her toothbrush at home.
该复合词由单数形式tooth加brush构成，而不是teeth加brush；英语中多数名词+名词复合词首词用单数，如toothbrush、toothpick。
Not this
We have three toothbrushs in the bathroom.
Use this
We have three toothbrushes in the bathroom.
以-sh结尾的名词变复数须加-es：brush变为brushes，因此toothbrush的复数形式是toothbrushes，而不是直接加-s的toothbrushs。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
电动牙刷
She bought a new electric toothbrush for her trip.
她为旅行买了一把新电动牙刷。
牙刷架
The toothbrush holder by the sink can hold four brushes.
水槽边的牙刷架可以放四把牙刷。
牙刷毛
Remember to replace your toothbrush when the bristles start to bend.
当牙刷毛开始弯曲时，记得更换牙刷。
牙刷和牙膏
He packed a toothbrush and toothpaste in his overnight bag.
他把牙刷和牙膏放进过夜包里。
带上牙刷
Don't forget to pack a toothbrush when you stay at a hotel.
住酒店时别忘了带上牙刷。
更换你的牙刷
Dentists recommend that you replace your toothbrush every three months.
牙医建议每三个月更换一次牙刷。
为什么我会觉得自己像一只叼着牙刷的狗呢？
This line from George Clinton's 1982 song 'Atomic Dog' plays on the strange image of a dog with a toothbrush.
这句来自乔治·克林顿1982年歌曲《Atomic Dog》的歌词，用一只狗叼着牙刷的怪异形象来营造效果。
发长 /uː/ 音 (如 food, boot)
Use toothbrush naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
tooth（牙齿）+ brush（刷子）= 牙刷，想象用刷子刷牙齿。
语域：neutral 常见场景：日常对话、个人护理、购物 该词为中性日常用词，正式与非正式场合都较常见，多用于描述个人清洁用品。
Genuine rhymes with the stressed part tooth /tuːθ/: booth /buːθ/ and truth /truːθ/. Note that brush and hush are spelling lookalikes (the -ush ending) but are pronounced /ʌʃ/, so they do not rhyme with the unstressed final syllable /brəʃ/ of toothbrush. Smooth also looks like a rhyme for -ooth but ends in /ð/, not /θ/.
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.
Watch the sound change