Silicomagnesiofluorite
氟硅钙镁石
🗣️ 情景例句
Our toy company makes the most wonderful toys for kids.
我们玩具公司为小孩子们制造最棒的玩具。
Nothing is so certain as the unexpected.
天有不测风云，人有旦夕祸福。
What a pity! I'm afraid that if you've lost it , you must pay for it, said Miss Yang.
“真可惜！如果你真的弄丢了，恐怕你得付钱赔偿，”杨小姐说。