at the most advanced position in a field
en la posición más avanzada en un campo (en la posicion mas avanzada en un campo)
"The lab is at the cutting edge of medical research."
"El laboratorio está en la vanguardia de la investigación médica." (el laboratorio esta **en la vanguardia** de la investigacion medica)
to become popular or fashionable in a very short period of t...
The more people there are, the better the situation becomes.
to raise something suddenly and sharply
the time for something or someone has ended
to walk away without purpose or direction
to encourage someone to stay hopeful and not give up