她被称为职场墙头草，总是根据上司的态度改变自己的立场。

She was labeled as a ___flip-flopper at work, constantly changing her position based on her boss's attitude.

这个落地灯的底座装有一个旋转器，可以自由调整照明角度。

The floor lamp's stand is equipped with a ___swivel that allows free adjustment of the lighting angle.