At this point the propeller's vibrations slowed down appreciably, then they died out altogether.

这时候，推进机震动显然减低了，一会儿就完全没有响声了。

If we had tens of thousands of skeletons distributed at regular intervals through the historical record, there would be appreciably more degrees of shading.

假如数万块化石是顺序匀地话，其相互之间细微差异就会一览无余。

Euclid Avenue is shorter as the crow flies, but it has speed bumps, which appreciably increase pointtopoint drive time, making it the less efficient choice.

欧几里德大道直线距离是短点，可路上有减速带，点对点行车时间就显著增加，这样一来就不算高效了。