Baur
n. biologically active ultraviolet radiation 具有生物活性的紫外辐射
🗣️ 情景例句
No doubt about it.
毫无疑问。
He has a pound of beef.
他有一磅牛肉。
Many people prefer living in the country to living in the town.
许多人喜欢住在农村而不喜欢住在城市。