blue steel
collocation对钢进行发蓝处理
The manufacturer blues each steel component before shipping.
制造商在发货前对每个钢部件进行发蓝处理。
使（钢）发蓝；给（钢）做发蓝处理
blueing — present participle of blue · irregular form
先理解核心含义，再看它在真实句子里的用法。
使（钢）发蓝；给（钢）做发蓝处理
To treat the surface of steel so that it is passivated chemically and becomes more resistant to rust.
She blued the white fabric to make a summer dress.
她把白色织物染成蓝色，做了一条夏裙。
处理钢材表面以提高抗锈性
To treat the surface of steel so that it is passivated chemically and becomes more resistant to rust.
用蓝剂增亮
To brighten by treating with blue (laundry aid).
blue
Base
原形
blues
3rd person
第三人称单数
bluing
-ing
现在分词
blued
Past
过去式
blued
Past participle
过去分词
She blues the fabric to match the sky.
她把布料染成蓝色以匹配天空。
He blued the walls yesterday.
他昨天把墙壁涂成蓝色。
They have blued the entire room.
他们已经把整个房间涂成蓝色。
注意：此为规则动词，过去式/过去分词直接加-ed。
He carefully blued the edges of the paper for an art project.
他小心地把纸边染成蓝色，用于一个艺术项目。
The dyer blued the cloth in a large vat.
染工在一个大桶里把布染成了蓝色。
Choose the next layer that will help you use blueing with more confidence.
Recommended next
Missing: Usage patterns
Complete this area with usage patterns.
Missing: Common mistakes
Complete this area with common mistakes.
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
对钢进行发蓝处理
The manufacturer blues each steel component before shipping.
制造商在发货前对每个钢部件进行发蓝处理。
给枪管烧蓝
He blued the barrel of the old pistol to prevent corrosion.
他给那把旧手枪的枪管烧蓝以防腐蚀。
用蓝色漂洗剂漂洗衣物
Grandma always blued the laundry to keep the whites bright.
奶奶总是用蓝色漂洗剂漂洗衣物，让白色衣服保持亮白。
把白色衣物加蓝增白
In the past, people blued the whites after washing.
过去人们洗完白色衣物后会加蓝剂增白。
Use blueing naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想：工人把钢件浸入蓝色药水，表面泛出blue蓝光，blue作动词便是“发蓝防锈”，洗衣“上蓝”增白同理。
语域：mixed 常见场景：钢材表面处理/工业技术说明、家庭洗涤/衣物增白 作动词的 blue 通常用在两种专门场合：指钢材发蓝处理时多用于工业技术语境；指用蓝色漂洗剂增白衣物时则多出现在家庭洗涤或产品说明中。具体含义需根据上下文判断。
及物动词表示‘把…染成蓝色’，不及物动词表示‘变蓝’。过去式和过去分词为 blued，现在分词 bluing。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.