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abbr. sheet steel single riveted 薄（钢）板单铆
🗣️ 情景例句
We think it might be just right for ten- to twelve-year-olds.
我们想它或许对十岁到十二岁大的孩子正合适。
Your English is very good.
你的英语很好。
Open your mouth and say Ah.
张大嘴说“啊”。