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Yet corals may be hardier than biologists have thought .

但是珊瑚也许比生物学家想得要更坚强。

Biologists have long speculated why this is .

生物学家长期思考为什么会出现这种情况。

Most biologists have a different view .

而大部分生物学家持有一种不同的观点。

Biologists would dearly love to know what happened .

生物学家们迫不及待地想知道当时到底发生了什么。

But synthetic biologists themselves are aware of the risks .

然而合成生物学家们已经意识到了这些风险。