Rdl
[医][=radiological defense laboratory]放射防护实验室
🗣️ 情景例句
What's it about?
是关于什么的？
No, I'm sorry, sir. We don't accept checks.
先生，对不起，我们不接受支票。
Not at all! Please sit down, Mr. Green. Would you like a cup of tea?
没关系！请坐，格林先生。你喝茶吗？