Quadrivalvate
四裂爿的
🗣️ 情景例句
I owe my success to my Mom.
我的成功归功于母亲。
Have him return my call.
让他给我回电话。
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。