Metcolising
铸铁喷铝法
🗣️ 情景例句
Oh, how do you do?
噢 你好吗?
Are you living in a dorm this term?
本学期你是住在学校宿舍吗？
The lake was not a natural one, but a man-made reservoir.
这不是一个天然湖泊，是一座人工修建的水库。