新东方在线英语词典

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pah

听听怎么读
英 [pɑ:]
美 [pɑ]
是什么意思
  • int.

    表示轻蔑,不快的感叹词;呸;

  • 学习怎么用

    双语例句

    用作缩略词(abbr.)
    1. The results showed that the cultivated bacteria had a significant degradation effects to PAH.
      结果表明,降解菌对堆肥中的多环芳烃有明显的降解作用。

    权威例句

    Principles of microbial PAH-degradation in soil.The Far-Infrared Emission from the Mg+-PAH SpeciesDust Masses, PAH Abundances, and Starlight Intensities in the SINGS Galaxy SamplePolyaromatic hydrocarbon (PAH) distributions in the Seine River and its estuaryPAHs in the Fraser River basin: a critical appraisal of PAH ratios as indicators of PAH source and compositionPAH source fingerprints for coke ovens, diesel and, gasoline engines, highway tunnels, and wood combustion emissionsPolycyclic aromatic hydrocarbons (PAH's) in the terrestrial environment - A reviewA Review on Polycyclic Aromatic Hydrocarbon (PAH) Emissions from Energy GenerationInfrared Emission from Interstellar Dust. IV. The Silicate-Graphite-PAH Model in the Post-Spitzer EraQuantification of the Dilute Sedimentary Soot Phase:  Implications for PAH Speciation and Bioavailability
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