That is why, at this critical moment in history, the two of us have not only reaffirmed our alliance -we've agreed to deepen it.

正是出于这个原因，在这个历史的紧要关头，我们两人不仅再次肯定了我们的同盟——还同意深化这种同盟。

youdao

But this is the critical moment during which new or changed features must be chosen for propagation or rejection.

但是为宣传或者住入而必须选择的新的或者变更的特性，是十分关键的。

youdao

While we've said you can't always capture the critical moment, you certainly should try. And this means anticipating where the action is likely to occur.

我们说过你不能总是抓住关键性时刻，但是你当然得努力尝试，这就是说你得去预测下面将要发生什么样的场景。

youdao

This moment is a critical test for the world's most important big power relationship, one which may have repercussions for years to come.

BBC: North Korea: A test for the Obama doctrine

I'm not saying they are all really starving at this moment but it is very critical and the winter has started now which adds of course to the problems.

BBC: News | BREAKFAST WITH FROST | United Nations High Commissioner for Refugees Ruud Lubbers

For many Japanese companies, this is a critical and fateful moment.

FORBES: Strong Yen Fueling Japanese Cross-border M&A