• The molecules move around in constant, erratic (or chaotic, or random) movement (or motion).
random motion* * *random motion
moto disordinato {spontaneo}
mouvement aléatoire [désordonné]
unregelmäßige Bewegung
random motion
random motion
agitation, mouvement désordonné
ретсіз қозғалыс
хаотичний рух.
random motion
random motion