中文翻译与英英解释 | n.
【植物；植物学】向日性，趋日性。 positive heliotropism (茎叶的)向日性。 negative heliotropism (茎叶的)背日性。
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| an orienting response to the sun
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| Heliotropism is the diurnal motion or seasonal motion of plant parts (flowers or leaves) in response to the direction of the sun. It is a tropism. |
例句与用法 | 1. | 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。
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