1
anneal sth
及物动词，宾语是被退火的材料（金属、玻璃等）。
Workers anneal the metal before shaping it.
工人在成型前对金属进行退火。
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
bring to a desired consistency, texture, or hardness by gradually heating and cooling
Workers anneal the metal before shaping it.
工人在成型前对金属进行退火。
通过高温加热后缓慢冷却等方式使金属等变韧,减少脆性；回火；淬炼。
To subject to great heat and then (often slow) cooling, and sometimes reheating and further cooling, for the purpose of rendering less brittle; to temper; to toughen.
缓慢冷却玻璃以最小化内应力。
To cool glass slowly, to minimize internal stress.
使单链与互补链配对形成双链核酸。
To make a double-stranded nucleic acid by pairing a single strand with a complementary strand.
anneal
Base
原形
anneals
3rd person
第三人称单数
annealing
-ing
现在分词
annealed
Past
过去式
annealed
Past participle
过去分词
Glassmakers often anneal their work to prevent cracking.
玻璃工匠经常退火处理他们的作品以防开裂。
The technician annealed the metal before shaping it.
技术员在成型前对金属进行了退火处理。
They have annealed all the glassware in the new batch.
他们已经对新批次的玻璃器皿进行了退火处理。
规则动词；指通过逐渐加热和冷却使材料达到所需硬度或韧性。
To make the glass less fragile, the artist must anneal it in a special oven.
为了减少玻璃的脆性，艺术家必须在专门的炉子里对其进行退火。
The factory anneals glass bottles after molding them.
这家工厂在玻璃瓶成型后进行退火。
Yesterday, the technician annealed the steel parts to remove internal stress.
昨天，技术员对钢件进行了退火，以消除内部应力。
及物动词，宾语是被退火的材料（金属、玻璃等）。
Workers anneal the metal before shaping it.
工人在成型前对金属进行退火。
被动形式常用于描述工艺流程，材料作主语。
The glass is annealed slowly to prevent cracking.
玻璃经过缓慢退火以防止破裂。
Not this
The metal annealed at 800°C.
Use this
The metal was annealed at 800°C.
anneal 是及物动词，意思是“使（金属、玻璃等）退火”，必须带宾语；表示材料本身被处理时要用被动语态 be annealed，不能像中文“退火”那样当不及物动词用。
Not this
We made the glass anneal slowly.
Use this
We annealed the glass slowly.
中文“使退火”容易让人套用 make + 宾语 + 动词原形，但 anneal 本身就是及物动词，直接说 anneal + 宾语 就能表达“使某物退火”，不需要借助 make。
Not this
The glass is annealed with a high temperature.
Use this
The glass is annealed at a high temperature.
表示温度或温度范围时，anneal 后面应接介词 at，如 at 800°C / at a high temperature；with 表示工具或伴随方式，不能用来引出一个温度值。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
使玻璃退火
The factory anneals the glass slowly to prevent cracking.
这家工厂缓慢退火玻璃以防止开裂。
使金属退火
You must anneal the metal before shaping it.
你必须先使金属退火再塑形。
使钢退火
The blacksmith annealed the steel to soften it.
铁匠将钢退火以使其软化。
在高温下退火
Copper wire is annealed at a high temperature to increase flexibility.
铜线在高温下退火以增加柔韧性。
退火数小时
The material should be annealed for several hours.
这种材料应退火数小时。
Use anneal naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想 kneel（/niːl/，跪）：退火时材料仿佛“跪服”于缓慢加热冷却，变得更韧。
语域：formal 常见场景：metallurgy、glassmaking、materials science anneal 通常用于技术性语境，多出现在冶金、材料科学等专业领域；日常口语中较少用到。
这些词都与 anneal 的末尾读音 /iːl/ 相同，可以对比记忆。注意 anneal 拼写看似 annual（/ˈænjuəl/）或 ankle（/ˈæŋkəl/），但读音不同。
Dictionary facts from ECDICT, WIKTIONARY.