Word · Frequency #2087
unknowns
未知的事物;未知情况
unknowns is the plural of unknown.
核心释义
Any thing, place, or situation about which nothing is known; an unknown fact or piece of information.
- 1.
一个变量(通常是x、y或z),其值需要被找到
A variable (usually x, y or z) whose value is to be found.
- 2.
未知且未经探索的区域
an unknown and unexplored region
- 3.
任何关于其一无所知的事物、地点或情况;未知的事实或信息
Any thing, place, or situation about which nothing is known; an unknown fact or piece of information.
- 4.
不属于所处环境的任何人
anyone who does not belong in the environment in which they are found
- 5.
没有身份的人;无名小卒
A person of no identity; a nonentity.
- 6.
其值为方程解的变量
a variable whose values are solutions of an equation
未知数;未知量;未知区域;未探索之地;局外人;外来者;无名小卒;无足轻重的人;一个变量(通常是x、y或z),其值需要被找到
用法In use
The young explorer felt both excitement and fear as she set off into the unknown.
用法提示:unknown 作名词,此处指“未知的地方或领域”。
After months of research, the cause of the strange noise remained an unknown.
用法提示:unknown 作名词,表示“未知的事实或情况”。
In this math problem, you need to solve for the unknown.
用法提示:unknown 作名词,表示“未知量、未知数”。
they came like angels out the unknown
the unknown
与定冠词 the 连用,泛指未知的事物、情况或领域,此时不可数,后不接复数形式。
Children often fear the unknown.
孩子们常常害怕未知的事物。
相关词与表达Connections
搭配Collocations
- the unknown
- 未知的事物;未知领域
- Explorers have always been drawn to the unknown.探险家们总是被未知领域所吸引。
- fear of the unknown
- 对未知事物的恐惧
- Many people feel anxiety because of their fear of the unknown.许多人因为对未知事物的恐惧而感到焦虑。
- into the unknown
- 走向未知;进入未知世界
- The astronauts were about to fly into the unknown.宇航员们即将飞入未知世界。
- equation with two unknowns
- 含有两个未知数的方程
- In algebra class, we learned how to solve an equation with two unknowns.在代数课上,我们学习了如何解含有两个未知数的方程。
- a complete unknown
学习提示Learner notes
记忆技巧Memory Tip
拆成 un(不)+ known(知道):不知道的事就是未知数。
语境与语域Context & Register
语域:neutral 常见场景:数学解题:求未知数、书面语或新闻:泛指未知的人或情况、探险或文学:指未探索之地、未知领域、身份或背景不明:指没有身份或不属于某环境的人 作名词时通常出现在较正式或书面语境中,如数学题里“求未知数”,或泛指“未知的事物/情况”。日常口语更常用形容词加名词(如 something unknown)来替代。这里的“通常”“多用于”只是提示常见用法,并非绝对限制。
语法说明Grammar Note
可数名词,复数形式为unknowns
发音与拼写Pronunciation & Spelling
known、own、grown、thrown、shown、sown 都与 unknown 的重读部分 /noʊn/ 押韵(拼写上对应 -nown 或 -own)。注意 renown 虽然也以 -nown 结尾,但读作 /rɪˈnaʊn/,不押韵;down、town、brown 虽然拼写是 -own,但读作 /aʊn/,也不押韵。
高价值词汇High-value vocabulary
该词属于 Oxford 核心词汇,值得优先掌握常见搭配和句型。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.