active autofocusing

例句：

1. 1. The camera has an active autofocusing system that can quickly adjust the focus.
   这台相机有一个主动自动对焦系统，可以迅速调整焦点。
2. 2. The photographer used the camera's active autofocusing feature to capture the perfect shot.
   这位摄影师利用相机的主动自动对焦功能捕捉到了完美的画面。
3. 3. The new smartphone features a powerful active autofocusing system for capturing clear photos in lowlight conditions.
   这款新智能手机配备了强大的主动自动对焦系统，可以在低光条件下拍摄清晰的照片。