在直播画面中，动态的直播画面要素包括
In the picture of live streaming, the dynamic live stream picture elements include A.
主播的肢体动作
Body movement of host B.
直播间参与人的动作
Actions of participants in the live stream room C.
直播背景画面的运动
Movement of live background picture D.
直播画面装饰品的运动
Movement of live picture decorations