Baur
n. biologically active ultraviolet radiation 具有生物活性的紫外辐射
🗣️ 情景例句
What's that?
什么样的工作？
Just a second and I'll check the schedule.
请等一等，我来查一下时刻表。
He's younger and stronger than you are.
他比你年轻，比你强壮。