She looked hailer than ever .

她看上去比任何时候都虚弱。

An mod spokesman said it would be used " primarily in the loud hailer mode " .

一位国防部发言人说这种装备“主要使用它的高音信号模式”。

" Previous studies suggested that polar bears would have had to be evolving very rapidly , since they were so young , " says hailer .

海勒说“之前的研究表明北极熊不得不进化的很快，因为它们是一个年轻的物种。”

" If they go extinct in this phase of warming , we 're going to have to ask ourselves what our role in that process was , " says hailer .

“如果它们在气候变暖过程中灭绝，我们应当问问自己，人类在这个过程中扮演了什么角色”，海勒说道。

But after studying dna from inside the cell nucleus , using samples from 19 polar and 18 brown bears , frank hailer of germany 's biodiversity and climate research centre and colleagues reached a very different conclusion .

但是通过利用19只北极熊和18只棕熊个体样本，研究细胞核内的脱氧核糖核酸后，德国生物多样性和气候研究中心的佛兰克海勒得出了一个完全不同的结论。