A tipping point was reached in 2020 when human-made materials — such as steel, concrete and plastic — were found to weigh more than all life on Earth.

2020 ，当人们发现钢筋、混凝土和塑料等人造材料的重量超过地球上所有生命的重量时，这种弱化就达到了界点。

He said the country could reach the tipping point into widespread violence very quickly.

他表示，刚果很快将达到大范围暴力的界点。

The conservation needs for freshwater life are extremely high and it's really reaching a tipping point now where it's take action or we stand to lose a lot of these species and the ecosystems in which they evolve.

淡水生物急需保护，现在真的是到了界点，们必须采取行动，否则们将失去很多这些物种以及它们所进化的生态系统。

I think I speak for a great many of us when I say the limits of patience have been thoroughly explored.

认为，代表了许多人的心声，们的耐心已经到了界点。

Yes. And threshold means the point at which you begin to feel something. It takes a lot of dirt and untidiness to make me feel I need to start clearing up.

是的。Threshold是指你开始有感觉的那界点。家里要有很多灰尘并且非常不整洁的时候，才能让感觉到必须要开始打扫卫生了。

We're at 1.2 already and look at what 1.2 is doing for us.

们已经达到了 1.2 摄氏度的全球升温界点，看看这 1.2 带来了哪些改变。

A biodiversity tipping point as first marine fish extinction declared.

首次宣布海洋鱼类灭绝是生物多样性的界点。

If they reach a tipping point, sea levels could rise a lot, very quickly.

如果它们达到界点，海平面就会迅速上升很多。

And sometimes it blasts right by the tipping point, and goes straight to Toxicville.

有时它会在这平等的界点附近爆炸，直达极端的索取关系。

Well, dreams about flying or floating in the air are often considered to be related to an unconscious wish to escape from something.

们在清醒和睡眠的界点时就容易痉挛。梦到飞或者在空中悬浮的话，般是被认为和无意识的想逃离某物有关。

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

on the line的意思就是说处于界点的状态或者说处于危险当中。

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

他最近说，局势已经到了" 界点" 。

What I'm seeing is that we've reached a tipping point of EV car adoption.

所看到的是，们已经达到了电动汽车采用的界点。

But in Ukraine, the fighting edged perilously closer to a tipping point.

但在乌克兰，战斗正危险地接近界点。

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界点的信号。

Tensions between residents reached a tipping point after an incident inside an elevator.

起电梯事故发生后，居民之间的紧张关系到达了界点。

One term for that kind of moment is tipping point.

这种时刻的术语是界点。

Society's at a tipping point between order and chaos.

人类社会正处在混乱与秩序的界点。

Thus putting the Friendship 7's re-entry point in jeopardy.

友谊7号重返大气层的界点岌岌可危。

When a voltage is applied across two beamlike electrodes made of aluminium, which are separated by a gap of around 50 nanometres, charge builds up on each, creating an attractive force between them, until a critical point is reached.

两柱状的铝电极间隔约50纳米，当电压加在这两电极之间时，它们就会相互通电，在二者之间会形成股引力，直至达到界点。