Silicoferrite
硅铁(固溶体)
🗣️ 情景例句
Do you accept credit cards?
你们接受信用卡吗？
Jack will feel sorry when she leaves.
她一走，杰克会觉得悲伤的。
We're ready! she said. Where is everyone?
“我们都准备好了！”她说，“人都到哪儿去了？”