138.Under the influence of the science fiction, the hardworking technician was stimulated to acquire more knowledge to invent a portable air conditioner containing electrical fans, which weighed only 2.5 kilograms.

在科幻小说的影响下，那个努力工作的技师受到刺激学习更多的知识以发明一种带风扇的便携式空调，重量只有2。5千克。