The solitary hill was covered with short tussocks of yellow, wiry grass, with occasional bushes, while near the summit large slabs of sandstone appeared just above the surface, looking like gravestones in some old village churchyard, with all their inscriptions obliterated by time and weather.（The Purple Land by W. H. Hudson）
英文を前から読んでいくために、語句のかたまりを作ります。こんな具合に課題文をスラッシュ（斜め線）で区切ります（スラッシュリーディング）。語句のかたまりを意識すると、リスニングで英語の意味をつかむのが楽になります。
The solitary hill was covered with short tussocks of yellow, wiry grass,／（前置詞の前）with occasional bushes,／（接続詞の前）while near the summit large slabs of sandstone appeared just above the surface,／（現在分詞の前）looking like gravestones in some old village churchyard,／（前置詞の前）with all their inscriptions obliterated by time and weather.
語句のかたまりを前から訳していきます。
The solitary hill was covered with short tussocks of yellow, wiry grass,
その孤立した丘は、短くて黄色い針金のような草の茂みで覆われていた
with occasional bushes,
ところどころに低木が生えていた
while near the summit large slabs of sandstone appeared just above the surface,
一方、丘の頂上近くには大きな厚板のような砂岩が地面から突き出ていた
looking like gravestones in some old village churchyard,
どこかの古い村の教会墓地にある墓石のように見えた
with all their inscriptions obliterated by time and weather.
墓碑銘は時と風雨によってすべて消えてしまっていた
The solitary hill was covered with short tussocks of yellow, wiry grass, with occasional bushes, while near the summit large slabs of sandstone appeared just above the surface, looking like gravestones in some old village churchyard, with all their inscriptions obliterated by time and weather.
The solitary hill was covered with short tussocks〜 → be covered with〜 =「〜で覆われている」
looking like gravestones〜 → large slabs of sandstone を意味上の主語とする分詞構文です（付帯状況）。
The solitary hill was covered with short tussocks of yellow, wiry grass, with occasional bushes, while near the summit large slabs of sandstone appeared just above the surface, looking like gravestones in some old village churchyard, with all their inscriptions obliterated by time and weather.
その孤立した丘は、短くて黄色い、針金のような草の茂みで覆われ、ところどころに低木が生えていた。一方、丘の頂上近くには大きな厚板のような砂岩が地面から突き出ていた。どこかの古い村の教会墓地にある墓石のように見えたが、墓石だとしても墓碑銘は時の流れと風雨によってすべて消えてしまっていた。
with●▲=「●を▲（の状態）にして」（▲は形容詞、副詞、分詞、前置詞句など）
with all their inscriptions obliterated by time and weather→［all their inscriptions］を［obliterated by time and weather］にして→［すべての墓碑銘］を［時の流れと風雨によって消された状態］にして
動画の後半部分でリスニング用音声が流れます。
