boundary

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英 { "us": "", "uk": "" }
数据源: ai_enrichment
边界指地理、概念或心理上的分界线,用于区分不同区域、领域或限制范围。

用法要点

介词搭配

常用介词包括 'between'(表示两者之间)、'beyond'(表示超出)、'within'(表示在内部)和 'across'(表示跨越)。

• between boundaries
• beyond the boundary
• within the boundary

句型结构

常与动词 'set'、'cross'、'define' 等连用,构成 'set a boundary'、'cross the boundary' 等表达,用于描述建立或突破界限。

• set clear boundaries
• cross the boundary
• define the boundary

语域说明

在正式语境中多用于地理、法律或学术讨论;在非正式语境中可引申为个人界限或心理防线,如人际关系中的 'personal boundaries'。

• legal boundary
• personal boundary
• academic boundary

基础例句

We need to set a clear boundary between work and personal life.

我们需要在工作和个人生活之间设定清晰的界限。

The river forms the natural boundary between the two countries.

这条河构成了两国之间的自然边界。

She felt he crossed a boundary by asking such personal questions.

她觉得他问这么私人的问题越界了。

高级例句

In physics, boundary conditions are crucial for solving differential equations in fluid dynamics.

在物理学中,边界条件对于解决流体动力学中的微分方程至关重要。

The contract specifies the legal boundaries of intellectual property rights for the joint venture.

合同规定了合资企业知识产权的法律边界。

Researchers are pushing the boundaries of artificial intelligence with new neural network models.

研究人员正在通过新的神经网络模型推动人工智能的边界。

高频搭配

verb

setcrossdefineestablishpush

adjective

clearphysicalnationalpersonalartificial

noun

city boundaryproperty boundaryboundary lineboundary dispute

adverb

clearlyphysicallylegally

preposition

betweenbeyondwithinacross

phrase

boundary conditionsboundary layerboundary markerboundary fence

常见错误

❌ 错误:The boundary of the park is very big.
✓ 正确:The boundary of the park is very long.

边界描述的是线性或区域范围,通常用 'long'、'wide' 或具体尺寸,而不是 'big' 这种模糊形容词。

❌ 错误:We need to build a boundary to separate the rooms.
✓ 正确:We need to build a wall to separate the rooms.

在室内语境中,'boundary' 更抽象,指分界线;具体物理分隔如墙壁应用 'wall',避免混淆。

近义词辨析

border

'border' 更强调地理或政治上的边界线,常指国界或地区边缘,而 'boundary' 更通用,可指任何类型的分界。

The border between France and Germany is well-marked, while the boundary of the property is defined by a fence.

limit

'limit' 侧重于范围或程度的终点或限制,如时间、数量限制;'boundary' 更指空间或概念上的分界线。

There's a speed limit on this road, but the boundary of the national park is just ahead.