(~s)
Nitrate is a chemical compound that includes nitrogen and oxygen. Nitrates are used as fertilizers in agriculture.
High levels of ~ occur in Eastern England because of the heavy use of fertilizers.
N-MASS
(~s)
Nitrate is a chemical compound that includes nitrogen and oxygen. Nitrates are used as fertilizers in agriculture.
High levels of ~ occur in Eastern England because of the heavy use of fertilizers.
N-MASS
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012