The two boys frantically grabbed the rolling pin and the coal shovel and set upon their father.
两个孩子急了，一个拿起煤铲，一个抄起擀面杖，和爸爸拚了命。
2
Let the model be used in the pin-disc running in and wear test, an accurate prediction was carried out upon the optimum fractal dimension.
将该模型用于销盘磨合磨损试验，对最佳分形维数进行了准确预测。
3
When a Paul Harris Fellow makes an additional US$1,000 contribution to the Annual Programs Fund, the donor will receive, upon request, a Paul Harris Fellow pin with one sapphire.