“你明天能来参加聚会吗？” “嗯嗯，我会去的。”

"Can you come to the party tomorrow?" "___Mm-hmmm, I'll be there."

我讲述旅行经历时，她只是偶尔发出嗯嗯的声音表示在听。

She occasionally made ___mm-hmmm sounds while I shared my travel stories.