heliotropism

常見例句

• Sunflowers always turn with the sun because of their heliotropism.
  向日葵的向光性使它總是隨著太陽的方向而移動(dòng)。
• Heliotropism A form of phototropism in which flowers move to point toward the sun, tracking it as it moves across the sky.
  向日性：趨光性的一種類型，植物的花在一天內(nèi)朝向太陽，并隨著日光照射的方向而轉(zhuǎn)移方位。
• Recent explanations for heliotropism of sunflower
  葵花向陽原因新解析
• negative heliotropism
  背日性,負(fù)向日性
• positive heliotropism
  正向日性
• Flower heliotropism
  花向日性
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