Mcrel
abbr. Mid-Continent Regional Educational Laboratory 中部大陆区域教育研究所
🗣️ 情景例句
Good morning, sit down please.
早安，请坐。
Excuse me, but may I ask a question?
对不起，我可以问个问题吗？
What are you doing on Saturday evening?
你星期六晚上要干什么？