This is the critical point to bear in mind.

请大家铭记这点。

He recently said the situation had reached " a critical point"

他最近说，局势已经到了" 一个临界点" 。

Once water reaches the critical point, it has to change states.

一旦水达到临界点，它就会改变状态。

Something on the line is at a critical point or is at risk.

on the line的意思就是说处于临界点的状态或者说处于危险当中。

That point is called the critical point, and it happens at 373 degrees Celsius.

这个点被称为临界点，发生在 373 摄氏度。

Observers say the talks are a sign that negotiations have reached a critical point.

观察人士表示，这些会谈是谈判进入临界点的信号。

Next up, you got a very critical grammar point. She's got a sentence fragment.

然后，这里有个非常重要的语法错误。这里有个句子片段。

One critical point in that process is when the parasite enters the victim's red blood cells.

一个关键点就是疟原虫进入宿主血细胞的时候。

CBP hopes to expand the use of AI to other critical points of entry into the United States.

美国海关与边境保护局希望美国的其他关键入境点也能使用人工智能。

For now, that means nothing in or out at this critical crossing point for humanitarian aid, fuel, and medical evacuations.

目前，在这个关键的过境点，人道主义援助、燃料和医疗后送都无法出入。