音标：['pairi:n] ；

n. 分核, 小坚果
[化] 芘

n. a pale yellow crystalline hydrocarbon C16H10 extracted from coal tar
n. the small hard nutlet of a drupe or drupelet; the seed and the hard endocarp that surrounds it

词型变化：名词复数形式 : pyrenes

pyrene的用法和样例：

例句

用作名词(n.)

A series of new pyrene derivatives have been synthesized, and the photophysical properties have been studied by UV-absorption spectra and steady-state fluorescence spectra.本文合成了一系列新的芘衍生物，用紫外光谱和稳态荧光光谱方法研究了它们的光物理性质。

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60秒科学

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2007年VOA标准英语（四月）

China reviews anti-dumping measures on Japanese chloroprene rubber

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英语新闻

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英语新闻

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学英语单词

accustometh

Aethelings

alloying effect

alternaria leaf spot of crucifers

angle of flap deflection

ascus plug

astatic balance

be taken in the toils

better dead than red

binary fixed point constant

Bishops' Bible