Walkerite
镁针钠钙石
🗣️ 情景例句
OK. I'll do as you say.
好的，照办。
Each bird loves to hear himself sing.
鸟儿都爱听自己唱歌。
Many people complain that computers are taking over their jobs.
许多人抱怨说计算机正在接管人的工作。