heliotropism

英式发音 [,hiːlɪə(ʊ)'trəʊpɪz(ə)m] 美式发音 [,hilɪ'ɑtrəpɪzm]

一般意思：

n.[植] 向日性,趋日性

完整意思：

the directional growth or movement of an organism in response to the stimulus of sunlight

词性：

名词

造句：

1. The sunflower's heliotropism causes it to follow the sun from east to west throughout the day.
太阳花的日回转性使它在白天从东向西追随太阳。
2. The plants in the greenhouse exhibit heliotropism , bending towards the sunlight to maximize their exposure.
温室里的植物表现出日回转性，弯曲向阳光以最大程度地暴露于阳光。

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