chirrup

例句：

1. 1. The dogchirruped happily as it sawits owner.
   当狗看到主人时，它高兴地咯咯叫。
2. 2. The baby chirruped and giggled all nightlong.
   宝宝整晚都在咯咯叫和咯咯笑。
3. 3. The bird chirrupedin the early morning light.
   鸟儿在清晨的光线中鸣叫。