"Qué es eyaculación precoz" means "What is premature ejaculation" and premature ejaculation is a condition in which a man ejaculates earlier than he or his partner would like him to.
Que es eso means 'what is that'.
que es grande means "what is big" in spanish.
what is this
"Qué es" means "what is". "Quién es" means "who is."
What month is it (If there is an accenton 'que'; if not:) That it is the month
Que es = What is it?
"What color is this?"
That it is the dolecencia? is that what you mean?
Is mine and that
That is what I wanted.
"¿Qué día es?" means "What day is it?"
If you mean "sweet" as in a flavor, "eso es dulce" or perhaps "Que dulce". If you mean something that is caring or emotional, perhaps "Eso es precioso/a", "que amable", "es mono/a", "es suave", or "es rico/a"