tunnel
Pronunciation
Noun
A1 Beginner
Quick answer
An underground passage that allows people or vehicles to pass through a hill, mountain, or under water.
Test yourself
Which word fits the gap? "The train disappeared into the _____ and didn't reappear for several minutes."
Answer: tunnel
In your own words, what does "tunnel" mean?
An underground passage that allows people or vehicles to pass through a hill, mountain, or under water.
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