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。
Heliotropism A form of phototropism in which flowers move to point toward the sun, tracking it as it moves across the sky.
运用蚊子的趋光性引诱雌蚊。
蚊子的趋光性，专家发明了一种灭蚊器。
Scientists invented a mosquito-repellent device using mosquito's phototaxis.
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