Invention by experience
Classified in Biology
Written at on 
English with a size of 2.86 KB.
invent->invention if+not=unless
design
cure if+past,would+inf
create->creation -------------------<>
experiment would+inf if+past
imagine->imagination if+present,present
explore->exploration --------------------<>
adopt->adoption present if+present
develop->development if+present,future
test -------------------<>
discover->discovery future if+presnt
become extinct->extenetion if+pastperf,would+have+pastpart
--- -----------------------------<>
gravity would+have+pastpart if+pastperf
earth
disease
threat
humans
sun
astronaut
space
planet
universe
meteor
species
death/dead/die
aliens
stars
---
surgeon smallpox
antiseptic measles
operating theatre mumps
anaesthetics influenza
operanting table
germs
staff