• caves
#listening
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◎◎◎ cave ⪢⪢
A cave is a natural opening in the ground with a hollow space beneath the surface large enough for people to enter. #pillow
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○○○ dissolve ⪢⪢
This acid allows it slowly dissolve certain kinds of rock like limestone, marble or gypsum. #pillow
16430

Pillow English Listening

○○○ drip ⪢⪢
As the water drips and later evaporates, it leaves behind a thin layer of minerals. #pillow
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○○○ soak ⪢⪢
Rain has a tiny bit of acid in it and when it soaks through soil, it collects some more. #pillow
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○○○ stalactite ⪢⪢
Stalactites hang from the roof of a cave like an icicle. #pillow
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○○○ stalagmite ⪢⪢
While stalagmites come up from the floor of a cave like a column. #pillow
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○○○ trickle ⪢⪢
These formations are created when water carrying minerals trickles through the cave. #pillow
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