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托福听力词汇解析:Botany讲座类

2017-04-03 10:24:00来源:网络

  为了帮助大家高效备考托福听力部分,熟悉Botany讲座类托福听力词汇,新东方在线托福网为大家带来托福听力词汇解析:Botany讲座类一文,希望对大家托福备考有所帮助。更多精彩尽请关注新东方在线托福网!

  carbon dioxide

  二氧化碳

  Last time we talked about photosynthesis, the process by which plants use light to convert carbon dioxide and water into food.

  far-red

  远红外的

  These processes are all influenced by a low red to far-red ratio, but the exact mechanisms were not understood.

  light-emitting diodes

  发光二极管

  To test their hypothesis, researchers took some electrical lights, um… actually,they were light-emitting diodes, or LEDs.

  photoreceptor

  感光器

  Plants don't see in the sense that humans or animals do, but they do havephotoreceptors.

  photosynthesis

  光合作用

  The belt of vegetation that crosses Africa below the Sahara is very dark because most of the sunlight is absorbed by plants for photosynthesis.

  spectrum

  光谱

  Although why they call it far-red … I mean, it is not red at all. It lies in the infrared range of the spectrum.

  wavelength

  波长

  I am sure you all know from physics class about how light moves in microscopic ways and that we can only see light when the wavelength of that light is in a specific range.

  以上就是新东方在线托福网为你带来的托福听力词汇解析:Botany讲座类,更多精彩敬请关注新东方在线托福网。

本文关键字: 托福听力 托福听力词汇

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