A safe place by the sea where boats can stay. (항구)
harbor
A mountain that can shoot out hot, melted rock. (화산)
volcano
To cut something with quick, hard hits.
chop
So cold that water turns to ice.
freezing
A person whose job is to cut down trees.
logger
A deep valley with steep, rocky sides. (협곡)
canyon
The hot, melted rock that flows down a volcano.
To pull something heavy along the ground.
drag
Having nothing inside.
empty
A sharp tool with a handle, used to cut wood.
ax
The very top of a mountain.
summit
To suddenly burst open and shoot out lava, ash, and smoke.
erupt
To travel around a new place to learn about it.
explore
Not normal; strange or rare.
unusual
A small gift you buy to help you remember a trip.
souvenir
A colorful underwater wall built by tiny sea animals. (산호초)
coral reef
A low, deep, shaking sound.
rumble
To break or crack into parts.
split
Going up or down very sharply; hard to climb.
steep
The tiny bit of energy in lightning or static that can give a small shock.
electrical shock
Bright, colorful lights that dance in the night sky near the North Pole. (북쪽에 있는 불)
The thick blanket of air all around the Earth.
atmosphere
to join cloth with a needle
sew
One flat part that lies over or under another part — like in a cake or in rock.
Fill in the blank: “The strong logger used his ax to ____ the tree into firewood.”
chop