fluorescence background
BeDict Logo

fluorescence

/floʊ-/

Meanings
noun

荧光, 荧光现象

The emission of light (or other electromagnetic radiation) by a material when stimulated by the absorption of radiation or of a subatomic particle.

Examples :

"The mineral showed a bright green fluorescence under the black light. "
这种矿石在黑光灯下呈现出明亮的绿色荧光。
physics chemistry energy material phenomena science

Related Words

Illustration showed

showed verb

/ˈʃoʊd/

展示，显现.

"All he had to show for four years of attendance at college was a framed piece of paper."

他上了四年大学，唯一能拿出来展示的就只有一张装裱好的纸（文凭）。

Illustration emitted

emitted verb

/ɪˈmɪtɪd/ /iˈmɪtɪd/

发出，射出

"The campfire emitted a warm, orange glow. "

篝火发出温暖的橙色光芒。

Illustration emission

emission noun

/ɪˈmɪʃn̩/

排放，散发。

"the emission was mostly blood"

排出物主要都是血。

Illustration stimulated

stimulated verb

/ˈstɪmjʊleɪtɪd/

激励，刺激.

"The teacher's enthusiastic lesson stimulated the students' interest in science. "

老师充满热情的课程激发了学生们对科学的兴趣。

Illustration material

material noun

/məˈtɪəɹɪəl/ /məˈtɪɹi.əl/

材料， 材质

"Asphalt, composed of oil and sand, is a widely used material for roads."

沥青是由石油和沙子组成的，是一种广泛使用的道路材料。

Illustration particle

particle noun

/ˈpɑːtɪk(ə)l/ /ˈpɑɹtɪkəl/

粒子，微粒

"The scientist studied the tiny particle of dust. "

科学家研究了那颗极其微小的尘埃粒子。

Illustration radiation

radiation noun

/ɹaɪ.di.ˈaɪ.ʃən/

辐射，放射。

"heat radiation"

热辐射 (Rè fúshè)

Illustration mineral

mineral noun

/ˈmɪ.nəɹ.əl/

矿物，矿藏

"The geologist found a beautiful mineral specimen in the rock collection. "

地质学家在岩石收藏中发现了一块漂亮的矿物标本。

Illustration electromagnetic

electromagnetic adjective

/ɪˌlɛktroʊmæɡˈnɛtɪk/ /ɪˌlɛktrəʊmæɡˈnɛtɪk/ /iˌlɛktroʊmæɡˈnɛtɪk/ /iˌlɛktrəʊmæɡˈnɛtɪk/

电磁的

"The cell phone emits electromagnetic waves that allow us to communicate. "

手机发出电磁波，让我们能够进行通信。

Illustration blacklight

blacklight noun

/ˈblækˌlaɪt/

紫外线灯，黑光灯

"The science classroom used a blacklight to reveal invisible ink messages written on the paper. "

科学教室用紫外线灯/黑光灯来显示写在纸上的隐形墨水信息。

Illustration subatomic

subatomic adjective

/ˌsʌbəˈtɑmɪk/ /ˌsʌbæˈtɑmɪk/

亚原子的，次原子的

"Scientists use powerful microscopes to study the behavior of subatomic particles inside atoms. "

科学家们使用强大的显微镜来研究原子内部亚原子粒子的行为。

Illustration absorption

absorption noun

/əbˈsɔːp.ʃn̩/ /æbˈsɔɹp.ʃn̩/

吸收，吸收作用

"The absorption of new information during the lecture was crucial for passing the exam. "

讲座中对新知识的吸收对于通过考试至关重要。