[2초급] Glossary Vocabulary: Journey to the Undersea Gardens  

hot, molten rock
from deep inside the Earth
=> Lava

the outer layer
of the Earth
=> Crust

places where very hot water flows naturally
from deep underground
=> hot springs

the bottome of the ocean
=> sea floor

kinds of matter of substances
=> chemicals

people
who use scientific knowledge
to solve practical problems
=> engineers

The process of travelling
to a region
that is not known well
in order to find out more
about it
=> exploration

openings or passages
for gases or liquids
to pass through
=> vents