n. the sound made by a pigeonv. speak softly or lovinglyv. cry softly, as of pigeons
vi. 咕咕地叫vi.vt. 谈情话, 轻轻地说, 温柔可爱地说, 温柔爱恋地说n. 鸽子的叫声, 鸽子叫似的轻声