irreplaceable相关的词根或词缀是: place

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The harsh reality is that nobody is irreplaceable .

残酷的现实是，没有什么人是不可替代的。

We can 't get fired ! We 're irreplaceable !

我们不能被解雇！我们是不可取代！

At a stroke , pdvsa lost almost all of its most experienced and best-qualified employees , with an irreplaceable understanding of the idiosyncrasies of its wells and fields .

一下子，pdvsa就失去了它几乎所有最有经验和最优秀的雇员，而这些人对公司拥有的油井和油田的特性的了解是无法代替的。

Most of the porcelain you see in the display cabinets is irreplaceable .

你在陈列柜所见到的瓷器大多数是独一无二的。

Although the dragon-which has been designed from the start to transport astronauts one day-will be carrying cargo , nothing vital or irreplaceable will be on board .

虽然从一开始就为载人而设计的神龙号在这次任务中将会运输货物，但却并不包含有生命的或不可替换的货物。