a serious or dangerous situation that needs immediate action
emergency
15
training exercises (cuộc tập trận)
drills
15
not important , no need to worry, no problem
no big deal
15
to observe (để ý)
notice
15
to answer back; to talk again (trả lời)
respond
15
To cause to burst in pieces by force from within. To blow up
explode
15
the vapor into which water is converted when heated, forming a white mist of minute water droplets in the air.
steam
15
inspiring awe or admiration or wonder steam
awesome
15
amazing; impressive; fantastic
spectacular
15
a flow of hot liquid rising into the air when a volcano erupts
fountain of lava
15
blowing out lava, rocks, and gases from a volcano
erupting
15
A two-dimensional, or flat, representation of Earth's surface or a portion of it.
map
15
southern lights; caused by solar wind
aurora australis
15
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
15
mineral mainly used to make alloy (hợp kim) such us stainless steel (thép không gỉ)
nickel
15
mineral which is primarily used to make steel (Thép)mineral which is primarily used to make steel (Thép)
