Vocabulary

household electric appliances

oligarchy

widower

science film

scientific revolution

scientific research satellite

scientific crime detection; forensic investigation

scientific management

scientific socialism

philosophy of science

fruits and vegetables

fruit growing

river dolphin

Milky Way

rock dove (Columba livia); rock pigeon

crescentic lake; oxbow lake; billabong

river engineering

bush pig

spark discharge

pyrotechnic; explosive device

pyroclastic rock

volcanic gas

volcanic ash soil

volcanic spine

volcaniclastic material; pyroclastic material

volcanic earthquake

volcanic front

volcanic mudflow

volcanic explosion

volcanic product

volcanic thunderstorm

incense burner

garden tiger moth (Arctia caja)

igneous activity

igneous deposit

slash-and-burn agriculture

cereal crops

to have both the looks and the substance; to be a compassionate and just person; to be interesting and instructive

hoverfly (Syrphidae spp.); syrphid

flower bud formation