1
neal sth
及物用法：neal 后接被处理的材料。
The smith nealed the iron blade to reduce its brittleness.
铁匠给铁刃退火，以降低其脆性。
退火；使退火
先理解核心含义，再看它在真实句子里的用法。
退火；使退火
To anneal; to heat and then slowly cool (metal or glass) to make it less brittle.
The smith nealed the iron blade to reduce its brittleness.
铁匠给铁刃退火，以降低其脆性。
及物动词，用于金属或玻璃热处理。
通过加热进行回火
To temper by heat.
通过加热被回火
To be tempered by heat.
neal
Base
原形
neals
3rd person
第三人称单数
nealing
-ing
现在分词
nealed
Past
过去式
nealed
Past participle
过去分词
The smith neals the metal before shaping it.
铁匠在塑形前先对金属进行退火。
Yesterday, he nealed the blade in the forge.
昨天他在锻炉里给刀片退了火。
They have nealed the steel twice today.
他们今天已把钢退火两次。
作动词时意为“退火、热处理”；作名词时是人名尼尔（本词条按动词处理）。
The glassblower neals the bottle in a special oven to keep it from shattering.
玻璃吹制工在特殊炉中对瓶子进行退火，以防止它碎裂。
The iron was nealed before the blacksmith shaped it into a horseshoe.
铁在被铁匠打造成马蹄铁之前经过了退火。
The alloy neals when it is heated and then cooled slowly.
这种合金在加热后缓慢冷却时会退火变韧。
及物用法：neal 后接被处理的材料。
The smith nealed the iron blade to reduce its brittleness.
铁匠给铁刃退火，以降低其脆性。
不及物用法：主语为材料本身，意为受热后变韧。
The metal neals when heated.
金属受热时会变韧。
Not this
The glass must be nealed slowly to prevent cracking.
Use this
The glass must be annealed slowly to prevent cracking.
现代英语中表示“退火”的常用动词是 anneal，neal 是 anneal 的古旧变体（词首 a- 脱落），日常写作应使用 anneal。
Not this
The neal of the steel takes two hours.
Use this
The annealing of the steel takes two hours.
neal 是动词，不能直接用作名词；表示“退火（过程）”需用动名词 annealing。
Not this
neal is my English teacher.
Use this
Neal is my English teacher.
作人名“尼尔”时是专有名词，首字母必须大写；小写 neal 会被误认为动词。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
Use Neal naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
neal 是 anneal 去掉 an-，记住动词 neal 意为“退火”：金属加热后慢慢冷却变韧。别只记成人名。
语域：formal 常见场景：metallurgy、glassmaking、heat treatment 作动词时，neal 表示“退火”或“受热回火”，为正式的技术用语，通常出现在冶金、玻璃加工等专业文本中。若指人名则写作 Neal，与本动词义无关。
作名词时为人名 Neal（首字母大写）；作动词时意为“退火”或“受热回火”。
Dictionary facts from ECDICT, WIKTIONARY.