Spectroirradiator
分光辐照仪
🗣️ 情景例句
Mary is not available at the moment.
Mary现在没空接电话
Do you go on picnics?
你常去郊游吗？
He sat in the darkness and listened to the people around him.
他坐在黑暗处，听着周围的人在讲话。