而不是直接从迭代器块，没有。

Not directly from the iterator block, no.

然而，主叫方总是可以缓冲的结果，例如成列表< T> ，或只需拨打反向（ ） - 但这并不总是适用

However, the caller can always buffer the results, for example into a List<T>, or just call Reverse() - but this doesn't always apply.