"We are at a pointofnoreturn," 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。
2
By raising sealevels, and therefore the grounding line, in their model, Katz's teamwere able to find the pointofnoreturn beyond which the glacier wouldbe unable to recover.
Many glaciologists believe that within a few decades, the Greenland ice sheet may reach a pointofnoreturn, after which its near-total meltdown becomes inevitable.