The best translation of "Piedra" is indeed "Stone."
The best translation of "el cristal" is indeed "glass."
"Hola" is the Spanish word for "hello."
"Perro" is the Spanish word for "dog."
"Lavar" is the Spanish word for "wash."
The correct translation for "Miss" in Spanish is "Señorita.
The correct phrase to ask where the bathroom is in Spanish is "¿Dónde está el baño?"
