虚拟现实控制器让她能够在虚拟世界中互动。

The VR controllers allow her to ___interact in the virtual world.

孩子们在操场上互相玩耍互动。

The kids love to ___interact with each other on the playground.

这两种化学物质混合时会相互反应。

These two chemicals ___interact when mixed together.