Quote Originally Posted by alexsms View Post
My grammar book says that in English in phrases like a (the) leg of the table, a (the) wheel of the car both definite and indefinite article can be used. What would native speakers say to that? Are the and a completely interchangeable in such phrases?
Well, yes and no. Either article can be used, but the meaning doesn't stay the same, they're not interchangeable with a constant meaning.