irises background

irises

/ˈaɪrɪsɪz/ /ˈaɪərɪsɪz/

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noun

鸢尾花，爱丽丝

A plant of the genus Iris, common in the northern hemisphere, and generally having attractive blooms (See Iris (plant)).

Examples :

"My grandmother loves to paint the irises that bloom in her garden every spring. "

我的奶奶喜欢在每年春天画她花园里盛开的鸢尾花。

plant nature biology environment agriculture

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noun

虹膜，瞳孔膜

The contractile membrane perforated by the pupil, which adjusts to control the amount of light reaching the retina, and which forms the colored portion of the eye (See Iris (anatomy)).

Examples :

"The doctor used a bright light to examine the patient's irises, checking how they responded to changes in brightness. "

医生用强光检查病人的虹膜，观察它们对光线变化的反应。

anatomy organ body physiology

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noun

光圈，虹膜。

A diaphragm used to regulate the size of a hole, especially as a way of controlling the amount of light reaching a lens.

Examples :

"The photographer adjusted the camera's irises to let in more light for the indoor shot. "

摄影师调整了相机的光圈，以便让更多的光线进入，拍摄室内照片。

technology device machine part

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noun

彩虹，虹。

A rainbow, or other colourful refraction of light.

Examples :

"After the rain, irises appeared on the mist, as the sun shone through the water droplets. "

雨后，阳光穿过水滴，雾气中出现了彩虹。

phenomena physics nature color

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noun

光阑，膜片。

A constricted opening in the path inside a waveguide, used to form a resonator.

Examples :

"The engineer carefully adjusted the irises within the microwave waveguide to fine-tune the resonant frequency. "

工程师小心地调整微波波导管内的光阑，以精确调节谐振频率。

technology physics electronics device signal part

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noun

虹膜，瞳孔。

The inner circle of an oscillated color spot.

Examples :

"The shimmering soap bubble displayed irises as it floated, colorful rings spreading from the center of the light spot. "

肥皂泡在空中漂浮时，闪烁着光芒，光斑中心呈现出彩色的虹膜，一圈圈地扩散开来。

anatomy organ part physiology appearance body color

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verb

虹膜式开启，光圈式开启

(of an aperture, lens or door) To open or close in the manner of an iris.

Examples :

"As the security camera detected movement, its lens began to iris, slowly opening to capture a clearer image. "

当监控摄像头探测到移动时，它的镜头开始虹膜式开启，慢慢张开以便捕捉更清晰的图像。

technical machine action part structure technology