Endeiolite
硅铌钠矿
🗣️ 情景例句
How are you doing?
你好吗？
How many boxes are you going to use?
你要用几盒？
My teacher never spoke English like that! The porter and I looked at each other and smiled.
我的老师从来不那样讲英语！我和搬运工相视一笑。