那里的一名心理专家皮埃尔·约瑟夫(Pierre Joseph)说：“我知道我们不能替代孩子们的父母。”

"I know we can't replace their parents," said Pierre Joseph, a psychologist there.

youdao

我知道我们不能仅仅讨论'阿以和平'或'阿拉伯和平倡议'了，也许，我们正在探寻一个'伊朗倡议' ”。

I am not sure we can talk just about ‘Arab-Israeli peace’ or the ‘Arab peace initiative’ anymore. We may be looking at an ‘Iranian initiative.’

youdao

我知道我们不能就此停下脚步。今天我们在这里庆祝第七届金旗奖颁奖典礼，我们还必须更加努力，继续前行，我需要你们的帮助和支持。

And we know we cannot stop here. While we celebrate the seventh year of the Golden Flag Award, we must continue to work hard, and I need YOUR help.

youdao

I don't know if it's possible to finish this by the end of today.

我不知道我们能不能在今天之内把这件事做完。

I don't know 课堂 - SpeakingMax英语口语达人

V2 And there's going to be some volume V2 and some volume V1, but are not necessarily the same. Especially since the pressures are different. we don't know yet about temperature so I don't know what to say about these volumes because I don't know what the temperatures' are going to do.

这里的体积会变成2,这里的容积是V1，它们不必相等,尤其是当压力不相等的时候,我们还不知道温度,所以我不能说这里的容积,是多少因为我不知道,温度会怎样变化。

麻省理工公开课 - 热力学与动力学课程节选