The pathologist could not estimate at time since death, the body was highly decomposed.

病理学家无法死亡后的时间，尸体高度腐烂。

His inefficiency caused an inevitable accident that brought inestimable damage to the factory.

他的无能造场不可避免的事故，给工厂造无法的损失。

But you weren't in a position to judge her frame of mind, hour by hour.

但你无法精确她的思想变化。

The researchers are not able to estimate the size of the population, but they believe the animals are doing well.

研究人员还无法这种动物的数量，但他们相信这种动物目前生活得很好。"

The darkness, always deep twenty yards before us, prevented us from estimating the length of the gallery; and I was beginning to think it must be endless, when suddenly at six o'clock a wall very unexpectedly stood before us.

我们面前的黑暗总是深达二十码，使我们无法走廊的长度。我正开始认为这定是无穷无尽的，突然在六点钟， 堵墙人意料地站在我们面前。