Periclasite
方镁石
🗣️ 情景例句
In China, Spring Festival is the biggest holiday of the year, but in the west Christmas is the biggest.
中国最大的节日是春节，西方最大的节日是圣诞节。
Please try to focus your attention on the speaker.
请试着把注意力集中于演讲的人。
What's the weather like?
天气怎么样？