新必修三
Unit 6
disaster
tube
the Tube
plus
erupt
immediately
hurricane
landslide
occur
announcement
forecast
grab
tsunami
reliable
rescue
emergency
typhoon
blizzard
avalanche
exceptionally
claim
crisis
threaten
satellite
precisely
billion
lap
nowhere
otherwise
helicopter
mosquito
midnight
the Big Dipper
the Little Dipper
the Milky Way
county
have yet to
threat
property
sufficient
shelter