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a Celt
a Celt 指单个凯尔特人，Celt 首字母大写。
Her grandfather was a Celt from Ireland.
她的祖父是来自爱尔兰的凯尔特人。
凯尔特人
celts — plural of celt
先理解核心含义，再看它在真实句子里的用法。
凯尔特人
a member of an ancient European people that lived in Britain, Spain, and Gaul before Roman times
Her grandfather was a Celt from Ireland.
她的祖父是来自爱尔兰的凯尔特人。
A member of any of the (modern, Celtic) peoples who speak Celtic languages.
史前的一种凿刃工具。
A prehistoric chisel-bladed tool.
在罗马时代前曾占据不列颠、西班牙和高卢的欧洲民族成员
a member of a European people who once occupied Britain and Spain and Gaul prior to Roman times
This museum exhibit shows how a celt lived in ancient Britain.
这个博物馆展品展示了古不列颠凯尔特人的生活方式。
The necklace belonged to a celt who settled in Gaul before Roman times.
这条项链属于一位在古罗马时代之前定居高卢的凯尔特人。
Historians believe the celts of Spain traded with other Mediterranean peoples.
历史学家认为，西班牙的凯尔特人曾与地中海其他民族进行贸易。
a Celt 指单个凯尔特人，Celt 首字母大写。
Her grandfather was a Celt from Ireland.
她的祖父是来自爱尔兰的凯尔特人。
the Celts 指凯尔特民族整体，谓语动词用复数。
The Celts once occupied Britain and Gaul before the Romans arrived.
凯尔特人曾在罗马人到来之前占据不列颠和高卢。
不加冠词的 Celts 用于泛指该民族成员。
Celts left behind few written records.
凯尔特人留下的文字记录很少。
Not this
He is celt.
Use this
He is a celt.
celt 作“凯尔特人”讲时是可数名词单数，英语单数可数名词前需要有限定词，不能单独作表语；因此要加不定冠词 a。
Not this
The celts was a European people.
Use this
The celts were a European people.
the celts 是复数名词，指多个凯尔特人（凯尔特民族），谓语动词要用复数 were；was 只用于单数主语。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
凯尔特人
The Celts occupied Britain and Spain before Roman times.
凯尔特人在罗马时代之前就占据了不列颠和西班牙。
古代凯尔特人
The ancient Celts passed on their history through oral tradition.
古代凯尔特人通过口述传统传承历史。
不列颠凯尔特人
The British Celts built hill forts to defend their tribes.
不列颠凯尔特人修建山堡来保卫自己的部落。
凯尔特人与罗马人
The Celts and the Romans fought many wars over Gaul.
凯尔特人与罗马人在高卢进行了多次战争。
Use celts naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把 celt 记成“塞尔特”，发音相近，意思就是古代凯尔特人。
语域：formal 常见场景：historical writing、archaeology、academic texts 该词多用于历史或考古等正式语境，属于书面语；日常口语中较少使用。
belt、melt、felt和spelt都是真正的韵词，结尾为/ɛlt/，与celt押韵。cell（/sɛl/）是形似词：拼写都以cel开头，但少了/t/，所以不押韵。Celtic虽然包含celt，但读作/ˈkɛltɪk/（或/ˈsɛltɪk/），多一个音节，也不押韵。
Dictionary facts from ECDICT, WIKTIONARY.