purely transcendental extension

例句：

1. 1. The purest form of this material is its purely transcendental extension.
   这种材料的最纯净形式是其纯粹的超越性扩展。
2. 2. The purest form of this material is its purely transcendental extension.
   这种材料的最纯净形式是其纯粹的超越性扩展。
3. 3. The purest form of this material is its purely transcendental extension.
   这种材料的最纯净形式是其纯粹的超越性扩展。