建立了集中荷载作用下悬索的 非线性 方程.The non - linear equations of strings under a concentrated load are derived.他从小就立下悬壶济世, 救助贫病的宏愿.It is no longer the age of collective economy. We should be flexible in doing business....
我挥手告别,然后走下港口石阶。I waved goodbye and went down the stone harbour steps.我用口型默示告别,然后匆匆跟在妈妈身后走了进去。I mouthed a goodbye and hurried in behind Momma.他们来到前门挥手告别。They came to the front door to wave goodbye....