Juan de la Cierva invented the autogyro and the principles to make a helicopter work.
Source: tatoeba (2456472)
Ranked by relevance and common usage.
OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.
1 total sentences available.
Juan de la Cierva invented the autogyro and the principles to make a helicopter work.
Source: tatoeba (2456472)