noun
ADJECTIVE
▪ heavy
▪ urban
▪ photochemical
… OF SMOG
▪ layer
▪
a layer of ~ over the city
VERB + SMOG
▪ reduce
▪
measures to reduce ~
SMOG + NOUN
▪ alert
▪ level
▪
Smog levels are high today.
noun
ADJECTIVE
▪ heavy
▪ urban
▪ photochemical
… OF SMOG
▪ layer
▪
a layer of ~ over the city
VERB + SMOG
▪ reduce
▪
measures to reduce ~
SMOG + NOUN
▪ alert
▪ level
▪
Smog levels are high today.
Oxford Collocations English Dictionary. Оксфордский английский словарь словосочетаний . 2012