没有指示灯显示是否运行，没有快进键和后退键，也就没有这类的噪音。

No light to show it is on; no fast forward button and the record button makes a loud noise.

youdao

法希从尸体旁向后退了退身，再次高举起黑光灯，使光线从更大的角度散发出来。

Fache backed away from the body and raised the black light again, letting the beam spread out in a wider Angle.

youdao