Conduplication
[医]对折
🗣️ 情景例句
Should children be allowed to watch violent movies?
小孩可以看暴力片吗？
When is the ship supposed to leave?
船应该在什么时候开？
it would be up and down, to and for and from side to side.
呈现出上上下下、来来回回、左左右右3种性质的运动。