db

the shortened form for decibels,which is a widely used unit for sound measuring

The sound of the train reaches almost 130db.It is too loud

by sun xiao chuan 258 November 28, 2021

24 years old and is a student

the brief description of senpai, a famous Japanese actor ,who constantly stinks

24 years old and is a student

by sun xiao chuan 258 November 28, 2021

e^x=0

it doesn't exist.Your maths teacher will beat your ass if he or she knows that

THERE IS NO EXAMPLE for e^x=0

by sun xiao chuan 258 November 28, 2021

N

stoffmenge
einheit mol

c=n•V

by sun xiao chuan 258 November 28, 2021