词典释义：
-
Don't just move up and down. Don't just look up. Look backwards, sideways, around corners.
不要只上下移动，不要只往上看，还要往回看，往旁边看，看转角周围。
《Sheryl Speech at Harvard》《Facebook COO谢丽尔·桑德伯格哈佛演讲》
双语例句
-
How do you get these hearts to move up and down and seemingly in random patterns?
你怎样才能让这些爱心看起来是在随机的模式中上下移动呢？
-
If you had a motor here that was causing a paddle to move up and down you could cause waves to form at one end of the tank and move from left to right.
如果这里有一个马达，使桨上下移动，就可以在水槽的一端形成波浪，从左到右扩散。
-
See their heads move up and down.
看到他们的头上下移动。
-
They move up and down on the waves.
事实上，它是随着海浪上下浮动的一组筏。
-
Our emotional lives move up and down constantly.
我们的情感生活总会上下变化。