Well, Grandpa, you're about five-nine or five-ten.
嗯, 爷爷。你大概是五英尺九或者五英尺十。
What are you drawing?
你正在画什么?
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.