语言不是由专家发明并传递下来的。

Languages are not invented by experts and handed down.

youdao

该病毒在4000万年前就已经感染我们的猴子祖先，从此它的基因被传递下来。

The virus infected our monkey-like ancestors 40 million years ago, and its genes have been passed down ever since.

youdao

因为核心需求经常随着工作的要求被一步步传递下来，这个文档很可能在会议开始的时候才接近完成。

Since the core requirements are usually passed down with the request for work, it's quite likely that this document is near completion before the meetings begin.

youdao

s2 So, I'm passing in the first character in s2, I'm making it uppercase and then I'm putting it back so casually speaking this is just capitalizing the first letter of whatever word the user typed in to s2.

那么，我把第一个字符传递给，我把它转换成大写的，然后存下来,简单说，这就是把用户输入s2中的单词,的第一个字母转换成大写的。

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