Underground railroad
地下铁道
🧩 词语组成解析
🗣️ 情景例句
It hurts so much when a baby gets his first teeth.
小孩子长第一颗牙齿时好痛哟。
Sport is sweetest when there be no spectators.
旁边无观众，运动最轻松。
I don't know what you're talking about.
我不知道您在说些什么。