As the young calves approach the halfway point, exhaustion sets in.

当年轻的幼崽游到一半时已然疲惫不堪。

Secretary Pompeo, though, is still trying that approach, pointing out that Iran rejected an offer of U.S. aid.

不过，国务卿蓬佩奥仍在尝试这种做法，他指出，伊朗拒绝了美国的援助提议。

Greenland is losing trillions of tons of ice and may be approaching a tipping point.

格陵兰岛正在失去数万亿吨的冰，并且可能正在接近一个临界点。

" ... passing Cuba Sunday night into Monday and at that point it'll be approaching somewhere, maybe towards the Florida Keys" .

＂... 在周日晚上到周一经过古巴，那时它将向某个地方移动，可能是佛罗里达群岛。"

The accelerating destruction of the Amazon forest, which researchers fear may be approaching a point of no return, is of particular concern.

研究人员担心，亚马逊丛林的加速破坏可能将临近不可逆转的地步，这一点让人尤为担忧。

Nine out of the 15 big biophysical systems that regulate climate are now on the move, showing worrying signs of decline and potentially approaching tipping points.

调节气候的 15 个大型生物物理系统中有 9 个正在发生变化，显示出令人担忧的衰退迹象，并可能接近临界点。

Meanwhile in New York, the hardest hit state, the governor says coronavirus deaths might be approaching their apex, their worst point or that they could be hitting a plateau.

同时，在受灾最严重的纽约州，州长表示冠状病毒的死亡数据可能正在逼近顶点，或者说最坏的情况可能已经达到峰值。