single bed
collocation单人床
The room is small and has only a single bed.
房间很小，只有一张单人床。
单一的；唯一的；单独的
先理解核心含义，再看它在真实句子里的用法。
单一的；唯一的；单独的
only one; not accompanied by anything else
There wasn't a single empty seat on the bus.
公交车上一个空座位都没有。
不伴随其他任何东西；数量为一个。
Not accompanied by anything else; one in number.
未分成部分。
Not divided in parts.
仅供一人使用的设计。
Designed for the use of only one.
由一个人或每边一个人执行。
Performed by one person, or one on each side.
She wrote her address on a single card.
她把地址写在一张卡片上。
The room had only a single chair.
房间里只有一把椅子。
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单人床
The room is small and has only a single bed.
房间很小，只有一张单人床。
单亲家长
He was raised by a single parent.
他由单亲家长抚养长大。
单程票
I'd like a single ticket to Cambridge, please.
我想要一张去剑桥的单程票。
单性别学校
He attended a single-sex school.
他上的是单性别学校。
一个词
He hadn't said a single word all evening.
他整个晚上一个字也没说。
成单行；一路纵队
The children walked in single file through the doorway.
孩子们排成单行穿过门口。
独自地；单枪匹马地
He built the entire house single-handed.
他单枪匹马地建好了整栋房子。
一根筋；只想着同一件事
He has a single-track mind when it comes to work.
他在工作方面一根筋。
所有的单身女士们
From Beyoncé's 2008 hit 'Single Ladies (Put a Ring on It)', this line is part of the iconic chorus and has become an anthem for celebrating being single.
这句话出自碧昂丝2008年的热门歌曲《Single Ladies (Put a Ring on It)》，是标志性合唱部分的一句，已成为庆祝单身状态的颂歌。
单身，准备好去社交（结识新朋友）
A popular catchphrase in dating culture, often used humorously to indicate that someone is not in a relationship and is open to meeting new people.
约会文化中一句流行的口头禅，常幽默地表示某人单身且愿意结识新朋友。
Use single naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想：单词里有 sing（唱歌），一个人独自唱歌，形单影只，所以 single 表示“单身的、单个的”。
语域：neutral 常见场景：日常对话中描述数量、书面说明中表示唯一性、酒店或交通预订中表示单人使用、婚恋话题中表示未婚状态 该词的不同义项都属中性语体：表示“仅一个/单个”多用于客观描述数量或属性；表示“单人的”比较常见于酒店、车票等设施说明；表示“单身的/未婚的”通常用于谈论婚姻或感情状态。正式和口语场合都可以使用，具体含义需根据搭配来判断。
通常用作定语或表语，表示唯一的、单身的等。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.