1
starch sth
及物动词，宾语为衣物等，意为“给……上浆”，使布料变挺括。
She starched the white shirt.
她给那件白衬衫上浆了。
淀粉
starches — plural of starch
先理解核心含义，再看它在真实句子里的用法。
淀粉
a complex carbohydrate found in plants such as corn, potatoes, wheat, and rice; used as food and to stiffen cloth or paper
She starched the white shirt.
她给那件白衬衫上浆了。
广泛存在于植物种子、鳞茎和块茎中的物质,提取后为白色闪亮的颗粒或粉末,无味无臭,手指搓捻发出特殊嘎吱声。用作食品、制葡萄糖、浆洗衣服和制糊等。
A widely diffused vegetable substance, found in seeds, bulbs and tubers, as extracted (e.g. from potatoes, corn, rice, etc.) in the form of a white, glistening, granular or powdery substance, without taste or smell, and giving a very peculiar creaking sound when rubbed between the fingers. It is used as a food, in the production of commercial grape sugar, for stiffening linen in laundries, in making paste, etc.
一种复杂的碳水化合物,主要存在于植物的种子、水果、块茎、根和茎髓中,尤其是玉米、土豆、小麦和大米中；是一种重要的食物,并广泛用于粘合剂、填料和纺织品的硬化剂
a complex carbohydrate found chiefly in seeds, fruits, tubers, roots and stem pith of plants, notably in corn, potatoes, wheat, and rice; an important foodstuff and used otherwise especially in adhesives and as fillers and stiffeners for paper and textiles
碳水化合物,如谷物和土豆类食物中的。
Carbohydrates, as with grain and potato based foods.
用于洗涤中使纺织品变硬的商业淀粉制剂
a commercial preparation of starch that is used to stiffen textile fabrics in laundering
Potatoes contain a lot of starch, so they are a good source of energy.
土豆含有大量淀粉，所以它们是很好的能量来源。
Rinsing the rice removes some of the starch and makes it less sticky.
淘洗大米会去除一些淀粉，让米饭不那么黏。
Whole grains provide starches and fiber that are important for a healthy diet.
全谷物提供淀粉和纤维，这些物质对健康饮食很重要。
及物动词，宾语为衣物等，意为“给……上浆”，使布料变挺括。
She starched the white shirt.
她给那件白衬衫上浆了。
常用被动语态，表示衣物等已被上浆处理。过去分词为 starched。
The tablecloths were starched for the dinner.
这些桌布为晚宴上了浆。
starch 作不可数名词，通常指植物中储存的碳水化合物。
The starch in potatoes is a good source of energy.
马铃薯中的淀粉是很好的能量来源。
Not this
Potatoes contain a lot of starches.
Use this
Potatoes contain a lot of starch.
starch 表示“淀粉”这类物质时是不可数名词，不能用复数；只有指不同种类的淀粉时才用 starches。这里泛指马铃薯所含的淀粉，应使用不可数的 starch。
Not this
The collar is starch.
Use this
The collar is starched.
starch 作名词指淀粉或浆糊，不能直接作表语描述衣物的状态；要说衣物已用淀粉浆硬，应用过去分词 starched 作形容词（或被动语态）。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
玉米淀粉
Corn starch is often used to thicken soups and sauces.
玉米淀粉常用来给汤和酱汁增稠。
马铃薯淀粉
Potato starch is a common ingredient in gluten-free baking.
马铃薯淀粉是无麸质烘焙中的常见原料。
淀粉含量
The starch content of the rice affects its texture when cooked.
这种大米的淀粉含量会影响煮熟后的口感。
抗性淀粉
Resistant starch may help improve gut health.
抗性淀粉可能有助于改善肠道健康。
淀粉浆糊
They used starch paste to attach the paper to the board.
他们用淀粉浆糊把纸贴到板上。
给衬衫上浆
He always starched his shirts before ironing them.
他总是在熨衣服前给衬衫上浆。
使…失去锐气；使…泄气
The defeat took the starch out of the team.
这场失败使球队失去了锐气。
Use starches naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想记忆：starch 中含 star，想象淀粉如星尘般撒落。
语域：neutral 常见场景：烹饪、食品工业、营养学 此处针对名词用法：表示淀粉时，通常用于烹饪、营养和食品工业等场景，属于中性词；日常对话和学术文章中都较常见。
Genuine rhymes: march, parch, larch, arch (all /ɑrtʃ/). Lookalikes that sound different: start /stɑrt/, stark /stɑrk/.
Dictionary facts from ECDICT, WIKTIONARY.