现在，当它们从冬眠中醒来时，交配的过程就开始了。

Now when they emerge in the spring from hibernation, the mating process begins.

youdao

当一只长耳大野兔出现在车灯光圈里时，他突然刹了车。

He braked suddenly as a jackrabbit darted into the bright cones of light.

《柯林斯英汉双解大词典》

现在既然试过了，我情愿当海盗。

I'd a good deal rather be a pirate, now that I've tried it.

youdao

Now, when we talked about optimization problems in dynamic programming, I said there were two things to look for.

现在，当我们讨论,动态编程中的最优化问题时，我想说有两件事需要注意。

麻省理工公开课 - 计算机科学及编程导论课程节选

So this project was, let's see if we can detect any alpha particles by making a detector that swings around.

当你是本科生的时候，你们的导师会派一些,你们看上去很傻的工作,给你们干，现在这个工作就是。

麻省理工公开课 - 化学原理课程节选

And all this is, is saying that when you take a mixed second derivative, it doesn't matter in which order you take the two derivatives.

麦克斯韦关系的本质是,当你考虑混合的二阶导数时，求导的顺序不影响最后的结果,现在，我们利用这些关系。

麻省理工公开课 - 热力学与动力学课程节选