Word · Frequency #3174
bound
边界；界限；限度
核心释义
A boundary or limit, such as the edge of an area or the greatest possible extent.
- 1.
边界,进入或离开领土必须跨越的界线
A boundary, the border which one must cross in order to enter or leave a territory.
- 2.
大跳跃,大飞跃
A sizeable jump, great leap.
- 3.
确定区域界限的线
a line determining the limits of an area
- 4.
已知大于或小于给定数值集合的值
A value which is known to be greater or smaller than a given set of values.
- 5.
舞蹈中单脚换脚跳
A spring from one foot to the other in dancing.
- 6.
指示某物界限或范围的线或面
the line or plane indicating the limit or extent of something
- 7.
某事物的最大可能程度
the greatest possible degree of something
跳跃；跃起；界；上下限；边界,进入或离开领土必须跨越的界线；大跳跃,大飞跃；确定区域界限的线
用法In use
The river forms the natural bound between the two countries.
用法提示：名词“bound”表示地理分界线。
His ambition knows no bounds.
用法提示：名词“bounds”表示限度，常用复数形式。
We must stay within the bounds of the law.
用法提示：名词“bounds”表示界限或范围。
what he did was beyond the bounds of acceptable behavior
out of bounds
常与 to 连用，表示“禁止……进入”或“超出允许范围”。
The swimming area is out of bounds to boats.
这片游泳区禁止船只进入。
within bounds
与 out of bounds 相对，表示“在限度之内”，常与 keep 连用。
相关词与表达Connections
搭配Collocations
- out of bounds
- 越界；超出允许范围
- Criticizing a colleague in public is out of bounds.当众批评同事是越界的行为。
- know no bounds
- 无止境；无限
- His curiosity knows no bounds.他的好奇心永无止境。
- by leaps and bounds
- 突飞猛进地；飞速地
- Her English improved by leaps and bounds after she moved to London.搬到伦敦后，她的英语进步飞快。
- within bounds
- 在允许范围内；适度地
- You can joke, but keep your comments within bounds.你可以开玩笑，但言辞要适度。
学习提示Learner notes
记忆技巧Memory Tip
bound 两义都记：它是 boundary（边界）的开头，又像 bounce 的跳跃；想象‘越过 bound 要 bound 一下’。
语境与语域Context & Register
语域：mixed 常见场景：边境与领土描述、数学与统计中的界限、文学或舞蹈中的跳跃 bound 作名词时，主要含义为“边界/界限”和“跳跃”；“界限”（常用复数 bounds）多用于较正式或书面语境，如 within bounds；“跳跃”则常见于文学或描述性文字。日常口语中单独使用该名词的情况较少，通常用其他词替代。
语法说明Grammar Note
常以复数形式出现
发音与拼写Pronunciation & Spelling
这些词都以 -ound 结尾，并与 bound /baʊnd/ 押韵：found /faʊnd/、round /raʊnd/、sound /saʊnd/、ground /ɡraʊnd/、hound /haʊnd/、pound /paʊnd/。注意拼写相似的 bond /bɒnd/（美式常读 /bɑːnd/）并不押韵；wound 读作 /waʊnd/（wind 的过去式）时才与 bound 押韵，而名词 wound /wuːnd/ 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, WORDNET.