あっベルが鳴ってる。

あっべるが鳴ってる。

There's the bell.

あっベルが鳴(な)ってる。

A beru ga natteru.

あっ (あっ、あ、アッ)

Ah! (expression of surprise, recollection, etc.); Oh!; Hey! (to get someone's attention)

ベル (ベル)

bell; bel; B

が (が)

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

鳴る (なる)

to sound; to ring; to resound; to echo; to roar; to rumble

Readings: メイ、な.く、な.る、な.らす

Meanings: chirp, cry, bark, sound, ring, echo, honk