... at the top of在最高地位，在首位；... top class顶层级；最高级... on the top在顶部；在上部...
2
?在上部
... at the top of在最高地位，在首位；... top class顶层级；最高级... on the top在顶部；在上部...
3
?顶部
on the top ? 顶部 Because of the cause, so so, since has become now, why say why ? 由于这项事业，因此，以来已成为现在，为什么说为什么 ..
4
?在顶
...but no one answered her ? 但没人接她 on the top ? 在顶 this means they do better in tests and schoolwork than those who don't exercise ? 这意味着他们在测试和比那些人不行使的功...