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barley (uncountable)
作为不可数名词，不加冠词。
Barley is a common ingredient in beer.
大麦是啤酒中常见的原料。
大麦
barleys — plural of barley
先理解核心含义，再看它在真实句子里的用法。
大麦
a cereal plant (Hordeum vulgare) or its grains, used as food, for animal feed, and in making beer and other malted drinks
Barley is a common ingredient in beer.
大麦是啤酒中常见的原料。
大麦(Hordeum vulgare)或其谷粒,常用于食品或酿造啤酒。
A cereal of the species Hordeum vulgare, or its grains, often used as food or to make beer and other malted drinks.
一粒大麦
a grain of barley
自史前时代起种植；用作饲料和谷物
cultivated since prehistoric times; grown for forage and grain
Farmers grow barley primarily for animal feed and malt production.
农民种植大麦主要用于动物饲料和麦芽生产。
Barley is a key ingredient in many soups and stews.
大麦是许多汤和炖菜的关键成分。
The field was golden with ripe barley ready for harvest.
田地里成熟的大麦金黄一片，准备收割。
作为不可数名词，不加冠词。
Barley is a common ingredient in beer.
大麦是啤酒中常见的原料。
表示品种时可用不定冠词。
This field grows a hardy barley.
这块田地种植了一种耐寒的大麦。
表示用途。
We grow barley for animal feed.
我们种植大麦用作动物饲料。
作定语修饰名词。
Barley soup is nutritious.
大麦汤很有营养。
Not this
I ate barely for breakfast.
Use this
I ate barley for breakfast.
barely（几乎不）与barley（大麦）发音相近，容易混淆。此处应使用名词barley表示谷物。
Not this
I bought a barley from the store.
Use this
I bought some barley from the store.
barley作为谷物通常为不可数名词，不能用‘a barley’表示数量，应用‘some barley’或‘a bag of barley’等。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
大麦田
The farmers planted a new barley field this spring.
农民们今年春天种了一块新的大麦田。
大麦作物
The barley crop was abundant this year due to favorable weather.
由于天气适宜，今年大麦作物丰收。
大麦汤
She made a hearty barley soup for dinner.
她晚餐做了丰盛的大麦汤。
大麦水
Barley water is a refreshing drink often served in summer.
大麦水是一种清爽的饮料，常在夏天饮用。
麦芽大麦
Whisky is made from fermented malted barley.
威士忌是由发酵的麦芽大麦制成的。
饲料大麦
Feed barley is an important source of nutrition for livestock.
饲料大麦是牲畜的重要营养来源。
Use barleys naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想酒吧（bar）里的啤酒是用大麦（barley）酿造的，记住bar+ley=大麦。
语域：neutral 常见场景：农业、烹饪、酿造 大麦通常用于中性语境，常见于农业、烹饪和酿造等领域。
不可数名词，没有复数形式。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.