如果我们有岩石样本用于研究，我们就能知道，这些小陨石坑是在行星形成的最后阶段被撞击形成的，还是后来的流星雨造成的。
If we had rock samples to study, we'd know whether these small craters were formed by impacts during the final stages of planetary formation, or if they resulted from later meteor showers.
当我在楼下吃早餐，用汤匙舀着最后一口米粥时，洗手间里传来一声响亮的撞击声。
As I had the breakfast downstairs, a ringing clash came out from the washroom while I was dipping the last bite of porridge by the soap spoon.
另有九辆汽车的数据显示，在撞击发生前的最后一刻，刹车才被踩下。
Data from nine other vehicles showed the brakes were used only in the last moment before impact.
最终这班电梯顺利到达地面，要知道在第二架飞机撞击南楼之前，这是最后一批顺利抵达的电梯。
It was one of the last to reach to the ground before the second plane struck their building.
30年前，Luis和WalterAlvarez这对地质学家父子，研究了最后一批恐龙遗留下来的资料，发现了了当时陨星撞击地球的证据。
The evidence for the strike came 30 years ago when father-and-son geologist team Luis and Walter Alvarez studied data laid down at the time of the last dinosaurs.
最后的家蝇撞击着窗户，透过窗我看到摇曳的果树与修剪过的忍冬树。
The last of the houseflies beats its body against the window, through which I watch the 3)tremors of a 4)berry bush and the shorn stoic trees.
两个礼拜前，当我在楼下吃早餐，用汤匙舀着最后一口米粥时，听到楼上的洗手间里传来一声响亮的撞击声。
Two weeks ago while I was downstairs having my breakfast spooning the last of my rice porridge I heard a loud crash coming from the upstairs bathroom.
但是直升机撞击发生前的最后几秒内，它在猛烈旋转，所以，触发时机很难把握。
But in what can be the wildly gyrating final seconds of a helicopter crash, that is much harder to achieve.
最后，在水的冲击和汽车的撞击下一幢大楼脱离了地基，被冲走了。
Eventually, the force of the water, the force of the cars, one building is just ripped off its foundation and floats away.
当地时间15日下午，一架美国航空公司客机在起飞过程中，因遭飞鸟撞击而动力全失，最后迫降在冰冷的纽约哈德逊河上。
US Airways pilot guided his jetliner into the frigid Hudson River in New York after a flock of birds knocked out both its engines just after takeoff Thursday afternoon.
最后，对NACA0012翼型的水滴撞击特性进行分析。
Finally, the impingement properties of NACA0012 were presented as an example.
最后，给出计算实例，进一步揭示了颗粒在撞击流除尘器中的减幅振荡运动特性。
Finally, calculation examples were given according to the theoretical analysis of single particle movement and the characteristics of single particle's oscillation in the impact -...
最后，给出计算实例，进一步揭示了颗粒在撞击流除尘器中的减幅振荡运动特性。
Finally, calculation examples were given according to the theoretical analysis of single particle movement and the characteristics of single particle's oscillation in the impact -...
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