coo

vi. 咕咕地叫

vi. vt. 談情話、輕輕地說、溫柔可愛地說、溫柔愛戀地說

n. 鴿子的叫聲、鴿子叫似的輕聲

英文釋義

1. the sound made by a pigeon
2. speak softly or lovingly
3. cry softly, as of pigeons