But the point of no return may have already been passed.
但是现在已经不能回头了。
"We are at a point of no return," he said in a recent report.
“我们已经没有退路了，”他在最近的一份报告中如是说。
But for other carriers, particularly those in India, the point of no return appears to have been passed.
但是对于其它航空公司，尤其是对印度的航空公司而言，无可挽回的时机似乎已经过去了。
Many glaciologists believe that within a few decades, the Greenland ice sheet may reach a point of no return, after which its near-total meltdown becomes inevitable.
许多冰川学家认为，在几十年内，格陵兰冰盖也许会达到无可挽回的顶点，之后，它不可避免地将几乎完全融化。
Astronomers believe that only 50% of the mass of the dilapidated star gets swallowed by the black hole; the other half gets "burped" back out into space before it reaches the point of no return.
天文学家们认为被黑洞吸入的恒星只有50%的质量会被它吞掉；而剩下的一半会因黑洞“打嗝”而在万劫不复之前返回外界。
In everybody's life there is a point of no return.
在每个人的一生中，总会遇到一个不可逆转的时刻。
There is no such thing as a point of no return in this battle.
在这场战斗中，还没有达到只能进不能退的地步。
He did not wish to drive the crisis beyond the point of no return.
他并不希望把危机推到无可挽回的地步。
One's potential can be put into full play only when he reaches the point of no return.
只有当一个人身处绝境时他的潜能才会得到充分的激发。
James Hansen, wrote in a recent letter: "We have not passed a point of no return. We can still roll things back in time but it is going to require a quick turn in direction."
JamesHansen，在最近的一封信函中写道：“情况尚未到无可挽回的地步，我们仍可及时力挽狂澜，但是要立即采取行动，赶紧回头。”
We can harness the ingenuity of farmers and scientists, citizens and entrepreneurs , to free this nation from the tyranny of oil and save our planet from a point of no return .
我们可以发挥农民和科学家、市民和企业家的聪明才智，将这个国家从对石油的严重依赖中解救出来，并拯救我们这颗星球于万劫不复之地。
Many believe that man is not solving these problems quickly enough and that his selfish pursuit of possession takes him past point of no return before he fully appreciates the damage.
许多人认为，人类没有尽快解决这些问题，却只顾谋求私利，以至到了无可挽回的地步以后才充分认识到这种损害。
If we don't quit using coal, oil, and natural gas soon, then as early as 2055 or as late as 2088, we won't have any power. We will have passed a point of no-return.
如果我们继续使用煤炭、石油、天然气等化石燃料，那么等到2055年，最晚2088年，我们将没有能源可用，到那个时候就没有任何可回转的余地了。
Feeding intensity and point-of-no-return (PNR) of Pelteobogrus fulvidraco larvae at different temperatures were studied under laboratory conditions.
对不同温度下黄颡鱼仔鱼的摄食强度及抵达不可逆点（PNR）时间的变化进行初步研究。
Feeding intensity and point-of-no-return (PNR) of Pelteobogrus fulvidraco larvae at different temperatures were studied under laboratory conditions.
对不同温度下黄颡鱼仔鱼的摄食强度及抵达不可逆点（PNR）时间的变化进行初步研究。
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