What's more, reconstructions might be the only way to know what treasures looked like before time wore them down.

另外，重建可能是唯一能够了解珍宝在受时间侵蚀之前的模样的方法。

youdao

Know what systems you have, what's on those systems, and which users need access to them.

知道所拥有的系统、这些系统上的内容以及哪些用户需要访问这些内容。

youdao

They often think that as a designer, you should already know what's going to work and what won't for their website.

他们通常会认为，你作为一个设计师已经知道在他们的网站上什么行得通什么行不通。

youdao

Since he's in the Senate and we don't know what's going to happen with the health care bill, he may not even be home.

VOA: special.2009.12.28

if we can't think what system it belongs to, that's tantamount to saying we really don't know what it is.

我们就不知道它从属于哪个符号系统，我们就不能认识它了。

耶鲁公开课 - 文学理论导论课程节选

because there's, I don't know what to say, over 50, 60 colleges, you know, that are recognizable in California

因为在加州有，我不知道怎么说，有五六十多所众所周知的大学，

加州的大学 - SpeakingMax英语口语达人

Since patients often are treated without being tested, it's hard to know what's what.

CNN: Baby ill? It might not be the flu

"It's hard to know what's bluster and what's not with the Israelis, " said a former U.S. official.

WSJ: U.S. Warns Israel Against Iran Strike

They want some objective criteria to know what's working and what's not.

NPR: GOP Eyes the Democrats' New Plan on Iraq