Calsibar
钙硅钡合金(脱氧剂)
🗣️ 情景例句
used for new books
被用来购买新书
A bit in the morning is better than nothing all day.
略有胜于全无。
OK!said Miss Yang kindly.Let's forget the whole thing.
“很好！”杨小姐宽厚地说，“让我们忘记全部的事情。”