Ralstonite
氟钠镁铝石
🗣️ 情景例句
Take it easy. Don't work too hard.
悠着点。不要操劳过度。
A handful of common sense is worth bushel of learning.
一点小常识常胜过很多有价值的学问。
Time for our lunch, said Bruce. Then he looked around. Oh dear! I don't understand!
“午饭时间到了，”布鲁斯说。然后他看看四周。“天啊！我弄不明白了！”