例句 /

A sharp ridge with steeply sloping sides, produced by erosion of the broken edges of highly tilted strata.

A sharp ridge with steeply sloping sides, produced by erosion of the broken edges of highly tilted strata.

豚脊丘,陡峻的山脊由于对高斜层破碎山背的侵蚀而形成的陡峭的山背