Rdl
[医][=radiological defense laboratory]放射防护实验室
🗣️ 情景例句
I know about how business is done here.
我认为这方面比较在行。
Is that girl a student?
那个女孩是学生吗？
Let's ask this policeman. He may know.
咱们问问这位警察。他可能知道。