Meaning of líng:
líng
铃
Noun
(small) bell; CL:隻|只[zhi1]
Xiǎo nǚhái tīngdào le ménkǒu de ménlíng shēng.
小女孩听到了门口的门铃声。
The little girl heard the doorbell sound at the entrance.
Dāng diànhuà líng shēng xiǎngqǐ shí, wǒ jímáng jiē qǐ diànhuà.
当电话铃声响起时,我急忙接起电话。
When the phone bell rings, I hurriedly answer the call.