The american wood frog undergoes an even more dramatic transformation .

美国林蛙所经历的变化更为巨大。

But what about a complex organ like the uterus that undergoes tremendous change during pregnancy ?

那么像子宫这样在怀孕期间经历巨大变化的复杂器官又如何呢？

The move highlights the push toward forming global alliances as the steel industry undergoes unprecedented consolidation .

随着钢铁行业经历前所未有的整合，上述举措凸显了该行业构建全球联盟的趋势。

Now , as london 's skyline undergoes its biggest changes in decades , some wonder if the city has learned from past mistakes .

现在，随着伦敦建筑剪影经历了它几十年以来最大的变化，有些人质疑这个城市到底有没有从过去的错误中学到什么。

Being the boss of a privately owned airline has become quite hazardous in china over the past year as the battered aviation industry undergoes a state-led consolidation .

过去一年，在中国当一家民营航空公司的老板已成为一件相当危险的事情中国遭受重创的航空业，正经历一场由政府牵头的整合。