He couldn't take time off to come to New York with me.
他走不开 没办法和我一起来纽约。
Sorry, sir. But it's our graduation day.
对不起,不过,今天是毕业的日子嘛。
As a shipbuilder, Cockerell was trying to find a solution to the problem of the wave resistance which wastes a good deal of a surface ship's power and limits its speed.