Undation
陆地或海底大面积的上升或下降运动
🗣️ 情景例句
A small one will suit me.
小型车对我来说很合适。
Life is not so short but there is time enougn for courtesy.
人生虽短，但表示礼貌的时间还是足够的。
but while the drum was being shaken,
但是，圆筒受到震动，