Baur
n. biologically active ultraviolet radiation 具有生物活性的紫外辐射
🗣️ 情景例句
Who was it?
谁来的电话
The remembrance of past sorrow is joyful.
记住过去的不幸使人愉快。
who is which depending on whether the customer's account is in credit or is overdrawn.
究竟谁是债务人谁是债权人，要看储户的账户是有结余还是透支。