(~s)
1.
Amphibians are animals such as frogs and toads that can live both on land and in water.
N-COUNT
2.
An ~ is a vehicle which is able to move on both land and water, or an aeroplane which can land on both land and water.
N-COUNT
(~s)
1.
Amphibians are animals such as frogs and toads that can live both on land and in water.
N-COUNT
2.
An ~ is a vehicle which is able to move on both land and water, or an aeroplane which can land on both land and water.
N-COUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012