It allows you to put any background behind you.

它允許你把任何背景放在你的背後。

To use it, open the app and click the plus sign at the bottom of the screen.

使用時，打開應用，點擊螢幕下方的加號。

Tap effects to the left of the red record button tap green screen.

點擊紅色錄音按鈕左邊的效果器點擊綠色螢幕。

Upload your background image by pressing the plus sign and select your photo or video.

按加號並選擇你的照片或視頻，上傳你的背景圖片。

You can also pick from Tiktok's library.

你也可以從Tiktok的圖書館挑選。

You'll be superimposed onto the video or photo you selected.

你會被疊加到你選擇的視頻或照片上。

You can adjust yourself in the video by expanding, shrinking or moving your image.

你可以在視頻中通過擴大、縮小或移動你的影像來調整自己。

If you're recording yourself, you can use the timer feature to select the length of your clip and give yourself three or 10 seconds to get ready.

如果你是自己錄製，你可以使用定時器功能選擇剪輯的長度，給自己三秒或十秒的時間來準備。

If someone is recording you, they can just hold down the red button to record.

如果有人對你進行錄音，可以直接按住紅色按鈕進行錄音。

When you finish with one section, you can pick another background or repeat the process until you're done with your video.

當你完成一個部分，你可以選擇另一個背景或重複這個過程，直到你完成你的視頻。