Vocab 1-7

Front

Submarine

Back

A boat that can go underwater.

Front

Submerge

Back

To put underwater

Front

Submit

Back

Give for approval

Front

Subside

Back

Become less

Front

Subway

Back

A system of underground city trains

Front

Superb

Back

Excellent

Front

Superhuman

Back

Above normal human abilities

Front

Superior

Back

Much better in quality

Front

Supersonic

Back

Faster than sound

Front

Supervisor

Back

Someone in charge