get a permanent
collocation烫发
She went to the salon to get a permanent.
她去美发沙龙烫了头发。
烫发；化学烫发
先理解核心含义，再看它在真实句子里的用法。
烫发；化学烫发
A chemical hair treatment that makes hair curly or straight, with effects lasting for weeks; a perm.
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。
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.
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。
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。
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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。
Use permanent naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
permanent 开头的 perm 就是烫发，虽然叫 permanent（永久的），其实烫发效果只能维持几周，记住这个反差就不容易忘。
语域：neutral 常见场景：hairdressing salon、beauty appointment 作名词表示“烫发”时，通常用于美发店或预约美发服务的场景；日常口语中更常说 perm，此用法比较常见于服务性对话而非学术或正式公文。
这些词都以 -nent 结尾，末尾音 /nənt/ 相同，但它们与 permanent 并不真正押韵，因为重读元音不同。尤其注意 prominent、eminent、imminent 拼写很像 permanent，但读音差别明显；pertinent 虽以 /pɝ-/ 开头，但 m 和 t 不同，也不押韵。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.