(~s)
A ~ is a slow-moving animal with a shell into which it can pull its head and legs for protection.
N-COUNT
(~s)
A ~ is a slow-moving animal with a shell into which it can pull its head and legs for protection.
N-COUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012