Checkboard
逐稿器挡帘
🗣️ 情景例句
She's enthusiastic about the new teaching method.
她对新的教学方法很热心。
Happy is he that is happy in his children.
对自己孩子感到高兴的，才是幸福的人。
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。