Speedex
斯皮德克斯镍银, 斯皮德克斯铜镍锌合金(商品名)
🗣️ 情景例句
Mom, give me a break.
妈， 让我喘口气。
Did you wash youself?
你自己洗的？
Has it got anything to do with your present research?
报告跟你目前的研究有关吗？