Arite
砷锑镍矿
🗣️ 情景例句
Sit down, sit down. Have some coffee.
请坐， 请坐。喝点咖啡。
What is he doing?
他做什么事？
They disregard social conventions without being conscious that they are doing anything extraordinary.
他们不顾社会习俗，意识不到自己所作所为有什么特殊之处。