Word · Frequency #11713
Fully loadedinfinity
无限;无穷;无尽
核心释义
endlessness; unlimitedness
- 1.
无限、无界,没有起点、终点或大小限制。
endlessness, unlimitedness, absence of a beginning, end or limits to size.
- 2.
无尽的时间;永恒
time without end
- 3.
一个具有无穷数值、无法计数的数字。
A number that has an infinite numerical value that cannot be counted.
- 4.
一个理想化的点,数值大小无限增加的序列趋近于此点。
An idealised point which is said to be approached by sequences of values whose magnitudes increase without bound.
- 5.
一个比某些特征数大得非常多的数字。例如,在光学中,比透镜焦距远得多的物体被称为“在无穷远”,因为随着距离进一步增加,像距变化极小。
A number which is very large compared to some characteristic number. For example, in optics, an object which is much further away than the focal length of a lens is said to be "at infinity", as the distance of the image from the lens varies very little as the distance increases further.
- 6.
符号∞。
The symbol ∞.
永恒;无尽的时间;无穷大;无限大的数;无穷远点;极远;无穷远;无穷符号(∞)
用法In use
From the hilltop, the desert seemed to stretch into infinity.
用法提示:这里用 into infinity 表示向无穷远处延伸,突出无尽的感觉。
In math class, we learned that the number line goes on to infinity.
用法提示:这里用 to infinity 表示数轴朝无穷大方向延伸,是名词表示无穷大。
The project offered an infinity of options, which made the decision difficult.
用法提示:这里用 an infinity of 表示数量极多、多得数不清,infinity 是名词。
to infinity
常与 extend、stretch、go 等表示延伸或运动的动词连用,强调“直到无穷”;数学中也表示“趋于无穷”。
The universe may extend to infinity.
宇宙可能延伸到没有尽头。
at infinity
多用于数学、物理等专业语境,表示“在无穷远处”,例如平行线在无穷远处相交。
相关词与表达Connections
搭配Collocations
- to infinity
- 到无穷;没有尽头
- The universe may expand to infinity.宇宙可能会一直膨胀下去,没有尽头。
- at infinity
- 在无穷远处
- Parallel lines meet at infinity in projective geometry.在射影几何中,平行线在无穷远处相交。
- tends to infinity
- 趋向无穷大
- As x approaches zero, the value of the function tends to infinity.当x趋近于零时,函数值趋向无穷大。
- infinity pool
- 无边泳池
- The resort's infinity pool blends into the sea.度假村的无边泳池与大海融为一体。
- infinity symbol
学习提示Learner notes
记忆技巧Memory Tip
记忆点:∞符号像一条永远延伸的线,infinity 里的三个 i 也像三点连成一线,提醒你“无限、无穷”。
语境与语域Context & Register
语域:mixed 常见场景:数学、物理等学术语境、日常比喻或夸张说法 表示“无限、无穷”的基本义时,infinity 多用于数学、物理等正式讨论,也常见于日常比喻或夸张表达;语体会随话题变化,通常没有严格的正式/非正式限制。
发音与拼写Pronunciation & Spelling
与 /ɪnˈfɪnəti/ 押韵(从重读元音到词尾相同):affinity, divinity, vicinity, trinity。注意 infinite /ˈɪnfɪnət/ 和 finite /ˈfaɪnaɪt/ 拼写相似但发音不同,不押韵。
用法优先级Usage priority
Collins 词频等级为 1,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
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.