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来源:雅诚德英语网
It's not known whether the ribbon lasts for just a few years or is a permanent feature.
现在还不知道窄带到底是近年形成的还是始终存在的。
It's not known whether the ribbon lasts for just a few years or is a permanent feature.
现在还不知道窄带到底是近年形成的还是始终存在的。