1. V-I When a bird or an insect such as a cricket or grasshopper chirps, it makes short, high-pitched sounds. 蟲(chóng)鳴; 鳥(niǎo)叫

The crickets chirped faster and louder. 蟋蟀叫得越來(lái)越快，越來(lái)越響。

2. N-COUNT Chirp is also a noun. 鳥(niǎo)的叫聲; 蟲(chóng)的鳴叫聲

The chirps of the garden birds sounded distant. 花園的鳥(niǎo)鳴聽(tīng)上去那樣的遙遠(yuǎn)。

3. chirpingN-UNCOUNT

...the chirping of birds. ...鳥(niǎo)的鳴叫聲。