她一鼓作气，一直跑到了阿杜拉夫人的班上。
She kept her head straight and ran towards Mrs. Douala’s class.
这个项目是由博士研究生richccardo Signoreli首创的，他用镊子把正方形的小块铝片放到真空室中，然后鼓入烃气。
The project started out with a Ph.D candidate, Riccardo Signorelli, using tweezers to put tiny squares of aluminum into a vacuum chamber and then pumping in a hydrocarbon gas.
约瑟夫的双手在膝盖上敲鼓般拍打了一阵，然后深吸一口气说：“看来你结婚了？”
Joseph drummed his hands on his knees for a minute, then took a deep breath and said, “So you got remarried?”
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