ultrasonic mosquito repellent的用法和樣例：
例句
- Scientists invented a mosquito-repellent device using mosquito's phototaxis.
利用蚊子的趨光性，專(zhuān)家發(fā)明了一種滅蚊器。 - The ensnaring mosquito killer is the most advanced physical design device in the world, with mosquito killing and purging air in one unit.
該電子滅蚊器是目前世界上最先進(jìn)的物理滅蚊蠅設備，它不僅可以滅蚊蠅，而且還可清新空氣。
