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student asking question

were made of什么意思?

teacher

母语人士的回答

Rebecca

were/was made of表示过去制造的东西是由特定材料或来源制成的。例: The decorations at the party were all made of paper. (所有的派对装饰品都是用纸做的。) 例子: Her dress was made completely of sequins. (她的衣服都是亮片做的。)

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12/20

通过测验完成表达式!

早在中世纪,用作货币的硬币是由金或银制成的。