A volcano that has not erupted for a long time, but may erupt again one day.
dormant volcano
A two-dimensional, or flat, representation of Earth's surface or a portion of it.
map
to observe (để ý)
notice
southern lights; caused by solar wind
aurora australis
showing by example; a picture
illustration
mineral which is primarily used to make steel (Thép)mineral which is primarily used to make steel (Thép)
iron
a colorful, glowing display in the sky caused when particles from the sun strike oxygen and nitrogen atoms in the ionosphere; also called the Northern Lights
aurora borealis
mineral mainly used to make alloy (hợp kim) such us stainless steel (thép không gỉ)
nickel
to find out by reasoning; to arrive at a conclusion on the basis of thought; to hint, suggest, imply (suy luận)
infer
To cause to burst in pieces by force from within. To blow up
explode
Your personal experiences, what you already know. (kiến thức nền tảng)
background knowledge
A logical interpretation based on prior knowledge and experience. (sự suy luận)
Inference
a passage taken from a book, article, etc. (trích đoạn)
excerpt
a flow of hot liquid rising into the air when a volcano erupts
fountain of lava
How is volcano formed?
when hot molten rock, ash and gases escape from an opening in the Earth's surface
A theory stating that the earth's surface is broken into plates that move.
plate tectonics theory
to answer back; to talk again (trả lời)
respond
Large pieces of earths crust that move due to convection currents.
Plates
a serious or dangerous situation that needs immediate action
emergency
Information from the reading that hints at a word's meaning. (đầu mối ngữ cảnh)
context clues
to find out by reasoning; to arrive at a conclusion on the basis of thought; to hint, suggest, imply (suy luận)
infer
the vapor into which water is converted when heated, forming a white mist of minute water droplets in the air.
steam
An answer; a reply (làm lại)
rejoinder
inspiring awe or admiration or wonder steam
awesome
amazing; impressive; fantastic
spectacular
waves of energy that travel through the Earth
seismic waves
a volcano that is erupting or has shown signs that it may erupt in the near future
active volcano
blowing out lava, rocks, and gases from a volcano
erupting
training exercises (cuộc tập trận)
drills
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