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"Escaleras" is a form of "escalera", a noun which is often translated as "stairs". "Serpientes" is a form of "serpiente", a noun which is often translated as "snake". Learn more about the difference between "escaleras" and "serpientes" below.
la escalera(
ehs
-
kah
-
leh
-
rah
)A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).
2. (portable)
a. ladder
Los bomberos siempre llevan una escalera en su camión.The firefighters always carry a ladder on their truck.
la serpiente(
sehr
-
pyehn
-
teh
)A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).