1.这种用法叫做主语补足语,rooted in his seat是过去分词短语,说明主语He;类似的还有He stood there dumfounded.他站在那里,目瞪口呆.
2.也可以理解为rooted ...为过去分词短语,作状语表示伴随状况.
1.这种用法叫做主语补足语,rooted in his seat是过去分词短语,说明主语He;类似的还有He stood there dumfounded.他站在那里,目瞪口呆.
2.也可以理解为rooted ...为过去分词短语,作状语表示伴随状况.