如果您不能确定它们是什么，那就问。

If you're not sure what they are, ask.

youdao

不过，不要误会我的意思。分析史前艺术品的风格有助于确定它们的年代。

Don't get me wrong though, analyzing the styles of prehistoric art can help dating them.

youdao

他们还研究了在巢穴里或巢穴附近发现的那三种恐龙的骨骼化石，以确定它们的性别。

They also examined the fossilized bones of those three types of dinosaurs that were found on or near nests to determine their sex.

youdao

There are so few words that you can be sure that they were chosen with care. You'll be looking at Genesis 22 closely in your section discussions.

几乎没有一个词你可以确定含义，它们的选定都是经过仔细,推敲的，你们将在讨论阶段更详细地看《创世纪》第22章。

耶鲁公开课 - 旧约导论课程节选

These are long-term government bonds and I--now these are--since they're long-term, they have some uncertainty and variability to them.

这些是长期政府债券,由于它们是长期的，就存在不确定性和变化性。

耶鲁公开课 - 金融市场课程节选

Things I want to make sure we all understand what they mean. Validation is a process.

我想确定我们都能明白它们的意思,验证是一个过程。

麻省理工公开课 - 计算机科学及编程导论课程节选