Borides
硼化物陶瓷材料
🗣️ 情景例句
My brother is a junk food addict.
我兄弟就爱吃垃圾食品。
What shall I send him for his the New Year?
我要送他什么东西作为新年礼物？
I was walking home when I met Dave.
我碰到大卫时，我正往家走。