It can wave back when visitors wave at it.

有游客向它挥手的时候它也会挥手致意。

youdao

Why did you wave at him?

你为什么向他招手？

《牛津词典》

I smile and wave at the sea of screaming women.

我微笑着像尖叫的人群中挥手。

youdao

So that shows you that at least in that area they were not expecting such a sizeable wave."

VOA: special.2011.03.21

And when we take the wave function and square it, that's going to be equal to the probability density of finding an electron at some point in your atom.

当我们把波函数平方时，就等于在某处,找到一个电子的概率密度。

麻省理工公开课 - 化学原理课程节选

So I'm going to wave my hands at what one fflush of these things here does, fflush here, but I decided this is kind of a weak implementation.

所以我将向这些东西所做的挥手,这里的，但是我觉得这是个有点无力的实现。

哈佛公开课 - 计算机科学课程节选

We didn't think we would be forced to wave at them from our lit oil drums.

NPR: Excerpt: 'Then We Came to the End'

This creates a wave at the stern, which prevents the vessel squatting too low in the water.

ECONOMIST: Fast container ships

Second, because there were people cheering on the street and we had to wave at these people.

CNN: Kim Dae-jung Talkasia Transcript