我们只有一个入口吗？

Do we have only one entrance?

youdao

休假后，我们只有一个多星期的时间来完成它。

After the break we'll have just over a week to complete it.

youdao

再怎么强调保护环境的重要性也不为过，因为我们只有一个地球。

We cannot emphasize the importance of protecting the environment too much because we have only one Earth.

youdao

There are some exceptions, which we'll get to later, but the only a big exception here is with hydrogen, which has a special stability that's associated with two electrons.

但也有一些例外我们将以后再讲，但这里只有一个较大的例外，氢，它的稳定性比较特殊，只需要两个电子。

麻省理工公开课 - 化学原理课程节选

So in terms of the first step of skeletal structure, this is actually going to be easier because we don't have a central atom, we just have carbon and nitrogen here.

对于第一步画出骨架，其实比刚才更容易,因为我们没有一个中心原子，我们这里只有碳和氮两个原子。

麻省理工公开课 - 化学原理课程节选

Then we realize once again that we can only know what it is if we come to understand--in this case, probably, it's best to say a cultural system, understood as a semiosis, within which it appears.

这样我们就又明白了,只有在一个特定的文化系统中,我们才能认识一个符号。

耶鲁公开课 - 文学理论导论课程节选