【英语时差8,16】绿色植物能预知未来？
时间：2019-03-06 作者：英语课 分类：英语时差8，16
The scientists guessed that the new seedlings 1 were sensing the presence of neighboring plants by detecting the characteristic color of light reflected sideways from leaves of the neighboring plants. That characteristic color contains a very small amount of red light and a larger amount of what is known to botanists 2 as far-red light. To test their guess, the scientists in effect blinded some new seedlings to that far-red light by placing clear blue cylinders 3 around their stems. The accelerated growth was reduced or abolished. This striking result suggests that light scattered 4 sideways from adjacent leaves provides an early signal of competition to young green plants. The young plants react to the signal by accelerating their stem growth to get a head start in the race for light.
- Ninety-five per cent of the new seedlings have survived. 新栽的树苗95%都已成活。 来自《现代汉英综合大词典》
- In such wet weather we must prevent the seedlings from rotting. 这样的阴雨天要防止烂秧。 来自《现代汉英综合大词典》
- Botanists had some difficulty categorizing the newly found plant. 植物学家们不大容易确定这种新发现的植物的种类。 来自辞典例句
- Botanists refer this flower to the rose family. 植物学家将这花归入蔷薇科。 来自辞典例句
- They are working on all cylinders to get the job finished. 他们正在竭尽全力争取把这工作干完。 来自《简明英汉词典》
- That jeep has four cylinders. 那辆吉普车有4个汽缸。 来自《简明英汉词典》