get a permanent
permanent 作名词时口语中常指烫发，前面要用冠词 a；主语是接受烫发的人。
She got a permanent to make her hair curly.
她烫了发，让头发变卷。
烫发；化学烫发
permanents — plural of permanent
永久物（持续在场的游戏牌）；积和式（一种矩阵运算）；一种化学美发处理,使头发卷曲或拉直,效果通常持续数周；烫发。；给定一个n×n矩阵a_ij,其值为所有排列π下∏i=1n a_iπ(i)之和。
A chemical hair treatment that makes hair curly or straight, with effects lasting for weeks; a perm.
一种化学美发处理,使头发卷曲或拉直,效果通常持续数周；烫发。
A chemical hair treatment imparting or removing curliness, whose effects typically last for a period of weeks; a perm.
烫发
a series of waves in the hair made by applying heat and chemicals
给定一个n×n矩阵a_ij,其值为所有排列π下∏i=1n a_iπ(i)之和。
Given an n×n matrix a_ij,, the sum over all permutations π, of ∏i=1na_iπ(i).
一种卡牌,其效果在打出回合之后仍持续存在。
A card whose effects persist beyond the turn on which it is played.
She decided to get a permanent to add volume to her thin hair.
她决定烫发，让稀疏的头发看起来更蓬松。
用法提示：名词，指通过化学方式使头发卷曲的烫发服务。
A permanent usually lasts for several months before the curls grow out.
烫发通常能保持几个月，之后卷发会逐渐长掉。
用法提示：名词，表示一种发型处理，效果持续较长时间。
He surprised his wife with a gift certificate for a permanent at her favorite salon.
他送给妻子一张她最爱发廊的烫发礼券，让她惊喜不已。
用法提示：名词，指代一项具体的烫发服务或项目。
permanent 作名词时口语中常指烫发，前面要用冠词 a；主语是接受烫发的人。
She got a permanent to make her hair curly.
她烫了发，让头发变卷。
表示美发师为某人做烫发时用 give sb a permanent，动作的接受者放在 give 后面。
The stylist gave her a permanent that lasted for weeks.
发型师给她烫了发，效果持续了好几周。
在数学中 permanent 指积和式，常与 of 连用，表示某个矩阵的积和式。
The permanent of a matrix is calculated like a determinant but without alternating signs.
矩阵的积和式算法与行列式类似，但不带正负号交替。
日常英语中 perm 是最常用说法；permanent 单独使用偏正式或旧式，常见于 permanent wave（早期说法）。二者在此义项上可互换，但 perm 更自然。
grammar · medium
易错句子I got permanent at the salon last week.
正确表达I got a permanent at the salon last week.
permanent 作名词表示“烫发”时是可数名词，单数形式前必须加不定冠词 a；汉语没有冠词系统，学习者常直接漏掉，写成 got permanent。
grammar · medium
易错句子She permanented her hair yesterday.
正确表达She got a permanent yesterday.
permanent 只有名词词性，不能像动词一样加 -ed 使用；汉语“烫发”是动宾短语，容易被直接套成英语动词。英语应说 get/have a permanent，或 get one's hair permed。
grammar · medium
易错句子She had a permanent hair before the wedding.
正确表达She had a permanent before the wedding.
名词 permanent 本身已表示“烫发”这一处理，后面不再接 hair；若接 hair，permanent 会被读成形容词“永久的”，变成“永久的头发”，与原意不符。
烫发
She went to the salon to get a permanent.
她去美发沙龙烫了头发。
烫着头发
I have a permanent, so I use shampoo for curly hair.
我烫了头发，所以用卷发洗发水。
给某人烫发
The hairdresser gave her a permanent that lasted three months.
理发师给她烫的发型保持了三个月。
矩阵的积和式
The permanent of a matrix is defined like the determinant but without negative signs.
矩阵的积和式的定义与行列式类似，但没有负号。
非地永久物
Destroy all nonland permanents.
消灭所有非地永久物。
-nent
-nent
-nent
-nent
-nent
-nent
per- (through/贯穿) + man- (stay/保持, related to 'remain') + -ent (adjective-forming suffix, e.g. 'different'). Compare: persist, remain, different, permanence, permanently.
permanent 作为名词指烫发,作用于头发。
烫发通常在美发沙龙进行。
烫发可打造卷曲效果。
发型师负责实施烫发等美发服务。
烫发前后常涉及洗发和护发产品。
Choose the next layer that will help you use permanents with more confidence.
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Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.