What's he burbling about?
他在嘟囔些啥？
牛津詞典
The water burbled over gravel...
水流過卵石，汩汩作響。
The river gurgled and burbled.
河水汩汩地流淌著。
He burbled something incomprehensible...
他不知咕噥了些什么東西。
Key burbled about the wonderful people who contribute to tourism...
基喋喋不休地談論著那些對旅游業作出貢獻的了不起的人物。
What's he burbling about?
他在嘟囔些啥？
《牛津高階英漢雙解詞典》
"babbling brooks"