这片森林是冰河时期的遗迹。

This forest is a ___relic from the Ice Age.

这种蕨类植物是冰河时期的孑遗物种，现在只在少数山谷中发现。

This fern is a ___relict species from the Ice Age, now found only in a few isolated valleys.

这些孤立的石柱是古代山脉侵蚀后留下的遗迹。

These isolated stone pillars are ___relics of an ancient mountain range after erosion.