Fluorbaryt
荧石
🗣️ 情景例句
Oh, what are you doing tomorrow?
噢， 明天你打算做什么？
Please keep the cartons to 15kg each and metal-strap all cartons in stacks of 4.
请将每个纸箱重量限制在15公斤内，并将每4箱一组用铁条儿固定起来。
The tiny painting proved to be an unknown masterpiece by Correggio and was worth hundreds of thousands of pounds.
那幅不大的画原来是柯勒乔的一幅未被发现的杰作，价值几十万英镑。