a mordant for sth
表示“用于某类染料或工艺的媒染剂”时,常用 a mordant for + 名词。
Alum is a common mordant for natural dyes.
明矾是天然染料常用的媒染剂。
媒染剂
mordants — plural of mordant
腐蚀剂;贴金底胶;任何用于促进染料固定在纤维上的物质;通常是通过螯合作用与染料反应的金属化合物;用于蚀刻的任何腐蚀性物质;用于镀金的粘性底料,使金箔粘附
A substance used to make dye fix onto a fibre.
任何用于促进染料固定在纤维上的物质;通常是通过螯合作用与染料反应的金属化合物
Any substance used to facilitate the fixing of a dye to a fibre; usually a metallic compound which reacts with the dye using chelation.
用于蚀刻的任何腐蚀性物质
Any corrosive substance used in etching.
用于镀金的粘性底料,使金箔粘附
A glutinous size used as a ground for gilding, to make the gold leaf adhere.
The textile worker added a mordant to the dye bath to ensure the color would not wash out.
纺织工人向染浴中加入媒染剂,以确保颜色不会洗掉。
用法提示:mordant 在此句中是名词,指用于固色的化学物质。
Alum is a common mordant used in traditional fabric dyeing.
明矾是传统织物染色中常用的媒染剂。
用法提示:mordant 在此句中是名词,被形容词 common 修饰。
Different mordants can produce varying shades of the same dye.
不同的媒染剂可以使同一种染料产生不同的色调。
用法提示:mordants 是 mordant 的复数形式,在此句中指多种媒染剂。
表示“用于某类染料或工艺的媒染剂”时,常用 a mordant for + 名词。
Alum is a common mordant for natural dyes.
明矾是天然染料常用的媒染剂。
as a mordant 说明某物质充当媒染剂,as 后接名词短语。
Traditional dyers use alum as a mordant.
传统染工把明矾用作媒染剂。
表示把媒染剂施于某物表面时,介词用 to。
Apply a mordant to the fabric before dyeing it.
在染色前把媒染剂涂到织物上。
grammar · medium
易错句子The factory ordered three mordant for the new dyeing process.
正确表达The factory ordered three mordants for the new dyeing process.
mordant 是可数名词,复数形式为 mordants;在数词 three 后必须用复数,不能保留单数形式。
grammar · medium
易错句子This chemical is used as a mordant of fixing dyes.
正确表达This chemical is used as a mordant for fixing dyes.
表示某物的用途时,名词 mordant 后常用介词 for 引出动名词短语;of 表示所属或来源,不表示用途。
grammar · medium
易错句子A mordant is used to fixing dyes to fabric.
正确表达A mordant is used to fix dyes to fabric.
表示“被用来做某事”时,be used to 后接动词原形,即 be used to do;be used to doing 表示“习惯于做某事”,与这里的用途语义不符。
mordent 是音乐术语,指快速交替本音与邻音的装饰音;mordant 则指染整中的媒染剂、蚀刻用的腐蚀剂或贴金底胶。两词拼写只差一个字母、读音接近,但分属音乐与化学工艺两个领域,不能互换。
caustic 泛指能腐蚀组织的强酸强碱类物质,多用于清洁和工业场景;mordant 指蚀刻用的腐蚀性物质时强调其工艺用途,另有媒染剂一义。说一般的腐蚀性药品用 caustic,说蚀刻或染整中的助剂用 mordant。
etchant 专指蚀刻工艺中用来腐蚀金属、玻璃或电路板的药液,是明确的工艺名称;mordant 虽也能指蚀刻用的腐蚀性物质,但更常用于染整中使染料固着的金属化合物。指蚀刻药液时用 etchant,指固色助剂时用 mordant。
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