这位音乐家通过手势演奏特雷门琴，创作出一段空灵的旋律。

The musician created an ethereal melody by playing the ___theremin with hand gestures.

那部科幻电影用特雷门琴营造出诡异的太空氛围。

The sci-fi movie used a ___theremin to create an eerie space atmosphere.