Embolite
氯溴银矿
🗣️ 情景例句
I need multimedia capability for my system.
我的计算机系统需要多媒体功能。
I often do home work in the afternoon.
我常常在下午做功课。
Do you see that notice? It says No Camping -- in case you can't read!'
你们看到那个布告牌了吗？上面写着‘禁止野营’－－除非你们不识字！”