如果这辆汽车需要清洗，你还在等什么呢？

If the car needs cleaning, what are you waiting for?

《牛津词典》

男孩同意等海蒂，并告诉她回家的路，如果她给他双倍的费用。

The boy agreed to wait for Heidi and show her the way home if she gave him a double fee.

youdao

如果你来到我的家乡，我请你吃荔枝，龙眼，菠萝等。

If you come to my home, I invite you to taste lychee, longan, pineapple and so on.

youdao

And then, if we have time at the end, we'll introduce one last topic, which is isoelectronic atoms and ions.

最后，如果有时间的话，我们将再介绍最后一个主题：,等电子原子与离子。

麻省理工公开课 - 化学原理课程节选

And now, if I'm touching mouse pointer, we saw that Boolean expression before, play sound meow, wait a couple of seconds, and then just keep checking.

现在，如果我们碰下鼠标指针，起初我们看到一个布尔表达式，播放猫叫的声音，等几秒钟，然后如刚才那样做检测。

哈佛公开课 - 计算机科学课程节选

So, selenium 2 minus is what's going to be isoelectronic, because if you add two electrons to selenium, you'll get the same electron configuration that you have for krypton here.

负二价的硒离子将是等电子的，因为如果你给硒原子加上两个电子，你会得到,和氪原子相同的电子排布。

麻省理工公开课 - 化学原理课程节选