Word · Frequency #3564
eighteenth
第十八
核心释义
the 18th in a series; next after the seventeenth
十八分之一
用法In use
My office is on the eighteenth floor of that building.
用法提示:此处 eighteenth 是序数词,作定语修饰 floor,表示“第十八层”。
She celebrates her eighteenth birthday next Saturday.
用法提示:此处 eighteenth 是序数词,作定语修饰 birthday,表示“十八岁生日”。
This is the eighteenth time I have asked you to clean your room.
用法提示:此处 eighteenth 是序数词,作定语修饰 time,表示“第十八次”。
the eighteenth + noun
表示序列中的第十八个,后接名词。
The eighteenth century saw many scientific advancements.
十八世纪见证了众多科学进步。
the eighteenth of + month/group
用于日期或部分整体关系。
The meeting is scheduled for the eighteenth of June.
会议定于六月十八日举行。
on the eighteenth
用于表示日期,常与介词on连用。
We moved into our new house on the eighteenth.
我们十八号搬进了新家。
be the eighteenth (to do something)
作表语,表示顺序位置。
She was the eighteenth person to finish the race.
她是第十八个完成比赛的人。
常见错误Common mistakes
易错句子He came in eighteen place.正确表达He came in eighteenth place.
在序数中应使用序数词'eighteenth'而不是基数词'eighteen'。
易错句子It is the eightieth century.正确表达It is the eighteenth century.
'eightieth'表示第80,而'eighteenth'表示第18,混淆了数字80和18。
易错句子I ate a eighteenth of the pizza.正确表达I ate an eighteenth of the pizza.
'eighteenth'以元音音素开头,不定冠词应用'an'而不是'a'。
相关词与表达Connections
搭配Collocations
- eighteenth century
- 十八世纪
- The novel is set in the eighteenth century.这部小说设定在十八世纪。
- eighteenth birthday
- 十八岁生日
- She celebrated her eighteenth birthday with a big party.她举办了一个盛大的派对庆祝她的十八岁生日。
- Eighteenth Amendment
- 第十八修正案
- The Eighteenth Amendment established prohibition in the United States.第十八修正案在美国确立了禁酒令。
- eighteenth hole
- 第十八洞
- He birdied the eighteenth hole to win the tournament.他在第十八洞打出小鸟球,赢得了比赛。
- eighteenth street
学习提示Learner notes
记忆技巧Memory Tip
eighteen(十八)+ th(序数后缀)= 第十八(eighteenth),记住词尾‘th’表示顺序。
语境与语域Context & Register
[object Object]
语法说明Grammar Note
序数词,通常置于名词前作定语
发音与拼写Pronunciation & Spelling
All listed words rhyme with 'eighteenth' in their stressed syllable (-teen-th). Note that words like 'eighth' (/eɪtθ/) may look similar but have a different pronunciation.
用法优先级Usage priority
Collins 词频等级为 4,建议结合例句记忆,而不是只背中文释义。
一起学习词形Learn the forms together
Dictionary facts from ECDICT, WIKTIONARY.