那个喝醉的男人一直在胡言乱语，没人听得懂他在说什么。

The drunk man kept ___babbling nonsense that no one could understand.

小溪在树林间欢快地潺潺流淌。

The stream ___babbled cheerfully through the woods.

婴儿开心地咿咿呀呀，试图模仿妈妈的声音。

The baby ___babbled happily, trying to imitate her mother's voice.