This lesson covers 2 C2 phrasal verbs on Science. At Proficiency you must distinguish particles that change meaning subtly and match register across formal and informal contexts. Complete the runner, then use the glossary below to consolidate each verb. Detailed explanations appear in Review mode once you finish the set.
cut off from
to be in a separate space or area and unable to communicate with people in a different space or area
The remote research station was completely _____ the outside world for three weeks.
smooth down
to press your hair or your clothes with your hands in order to make them flat
She quickly _____ her lab coat before entering the sterile zone.