请按下按钮激活设备。

Please press the button to ___activate the device.

阳光会激活植物中的光合作用。

Sunlight helps to ___activate photosynthesis in plants.

你需要输入密码来激活这台笔记本电脑。

You need to enter the password to ___activate this laptop.

社交媒体上的呼吁迅速激活了志愿者们的响应。

The social media appeal quickly ___activated the volunteers' response.