Word · CEFR C2 · Frequency #25662
opacities
不透明性；不透光性
opacities is the plural of opacity.
核心释义
the state or quality of being opaque; not letting light pass through
- 1.
不透明性；光线无法通过的性质。
The state or quality of being opaque, not allowing light to pass through.
- 2.
难以理解的性质；晦涩。
The state or quality of being inaccessible to understanding.
- 3.
对电磁辐射(如光)的相对不可穿透性的度量。
A measure of relative impenetrability to electromagnetic radiation such as light.
- 4.
不透明区域。
An opaque area.
晦涩；费解；不透明度；阻光率；不透明区域；不透光区；不透明性；光线无法通过的性质。；难以理解的性质；晦涩。
用法In use
The opacity of the frosted glass makes it hard to see who is standing behind it.
用法提示：opacity 作名词，表示“不透明性”，指光线无法穿透的性质。
They measured the opacity of the liquid to determine how much light can pass through.
用法提示：opacity 作名词，表示“不透明程度”，是“不透明性”的可度量用法。
If you increase the opacity of this paint, the old color underneath will be completely hidden.
用法提示：opacity 作名词，指“不透明度”，在这里是可调整的属性。
the opacity of [sth]
表示物质阻挡光线通过的性质，通常作不可数名词。
The opacity of the glass made it hard to see through.
玻璃的不透明性让人很难看透。
opacity to [radiation/light]
后接某种辐射或光线，表示对该辐射的阻隔程度。
相关词与表达Connections
搭配Collocations
- high opacity
- 高不透明度
- The printer uses high opacity paper to prevent bleed-through.打印机使用高不透明度的纸张以防止透印。
- low opacity
- 低不透明度
- A low opacity watermark is less intrusive.低不透明度的水印不那么显眼。
- opacity level
- 不透明度级别
- You can adjust the opacity level of the layer in the settings.你可以在设置中调整图层的不透明度级别。
- reduce opacity
- 降低不透明度
- Reduce the opacity of the shadow to make it look softer.降低阴影的不透明度使其看起来更柔和。
- opacity of language
学习提示Learner notes
记忆技巧Memory Tip
雾霾天看远处的楼，只见轮廓，光透不过来——这就是 opacity（不透明）。
语境与语域Context & Register
语域：formal 常见场景：optics and materials science、photography and digital imaging、formal academic or technical writing 在表示“不透光”的义项时，opacity 是比较正式的书面词，多用于光学、材料或图像编辑等场合；日常口语里若要表达“看不透”，更直白的说法有 can't see through 或 not transparent。
发音与拼写Pronunciation & Spelling
These words all share opacity's stressed /æ/ and the following /sɪti/ ending: capacity, audacity, tenacity, veracity, sagacity, mendacity. Beware lookalikes such as opaque (/əʊˈpeɪk/) and opiate (/ˈəʊpiət/), which use the same op- spelling but are pronounced differently.
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, OCTANOVE, WIKTIONARY.