heliotropism

常见例句

• Sunflowers always turn with the sun because of their heliotropism.
  向日葵的向光性使它总是随着太阳的方向而移动。
• 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：趋光性的一种类型，植物的花在一天内朝向太阳，并随着日光照射的方向而转移方位。
• Recent explanations for heliotropism of sunflower
  葵花向阳原因新解析
• negative heliotropism
  背日性,负向日性
• positive heliotropism
  正向日性
• Flower heliotropism
  花向日性
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