(~s)
Lichen is a group of tiny plants that looks like moss and grows on the surface of things such as rocks, trees, and walls.
N-MASS
(~s)
Lichen is a group of tiny plants that looks like moss and grows on the surface of things such as rocks, trees, and walls.
N-MASS
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012