从每一个单元格出发，你可以向四个方向移动：左右上下。

From each cell, you can either move to four directions: left, right, up or down.

youdao

摄像机还可以利用装在脚架上的升降俯仰装置左右上下转动。

Lift and tilt mechanisms on the camera mount add to the camera's freedom of movement.

youdao

该机左右上下升降，主轴箱设计领先，划出美观实用的画线板。

Around the aircraft up and down movements, spindle box designed to lead, to draw beautiful and practical art line CARDS.

youdao

This is a game where you get a little plastic device, it's got 15 plastic numbers on it and one hole in this little plastic board and you can move those numbers up, down, left to right, and the goal is to take what's a random assortment of tiles and arrange them in numeric order and that's one of these little things you can play sort of absentmindedly.

在这个游戏中，你会拿到一个可塑的装置，上面有15个数字和一个孔,你可以将数字上下移动，左右移动，目标就是,拿到一个随机的组合后,将其按数字顺序排列,这个你可以随便玩玩。

哈佛公开课 - 计算机科学课程节选