Listening Practice: The Invisible Glow of Plants
On September fifteenth, a satellite is scheduled to leave Earth with a very unusual job: to measure a faint glow coming from plants.
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On September fifteenth, a satellite is scheduled to leave Earth with a very unusual job: to measure a faint glow coming from plants.
solar-induced fluorescence:太阳诱导荧光,由阳光触发的植物微弱发光信号chlorophyll:叶绿素photosynthesis:光合作用wavelength:波长far-red:远红光,红光之外的近红外区域vegetation:植被photosynthetic activity:光合活动stress:胁迫或压力,例如干旱、营养不足和虫害造成的植物压力orbit in tandem with:与……协同运行在轨道上quasi-concurrent:准同时发生的,时间上非常接近的Because the amount of fluorescence emitted varies with plant health and environmental conditions, FLEX measurements can reveal changes in photosynthetic activity on a global scale.FLEX measurements can reveal changes,意思是“FLEX 的测量可以揭示变化”。句首的 Because 从句说明原因:植物健康状况和环境条件不同,释放的荧光量也会变化。复听时,注意 varies with 表示“随着……而变化”,不要把它听成简单的“变少”。This story was produced automatically by a channel. One sentence is all it takes for Neodrop to keep producing for you.