His death was caused by bacteria in his lungs.
bacterium (a single-celled organism with cell walls but no nucleus or organelles)
Borrowed from New Latin bacteria, plural of bactērium, from Ancient Greek βακτήριον (baktḗrion, “little rod”).
Millora la teva pronunciació
Practica parlar i memoritzar " bacteria " i moltes altres paraules i frases a espanyol .