Underdetermine
vt.证据不足地说明( 理论、 现象)
🗣️ 情景例句
He's a good father.
他是个好父亲。
How are you feeling today?
你今天感觉怎么样？
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。