Serch
abbr. State Education Research Clearinghouse 州教育研究情报交易所
🗣️ 情景例句
Is it finished yet?
行了吗？
May I introduce you to my friend Susan?
恕我介绍一下我的朋友苏珊。
It's much cheaper to camp than to stay in a hotel.
露营比住旅馆要便宜多了。