The molecules of ice and vapour are exactly the same except that they move at different speeds .
请问except that they move at different speeds .在句子中是什么成份？
The molecules of ice and vapour are exactly the same except that they move at different speeds . except that they move at different speeds 是状语不过不是状语从句except在这里是介词 是介词短语做了状语that they move at different speeds 是做了介词except的宾语句子结构同这个简单点的一样：every boy in our class has a girlfriend except me....
