Flexiback
软背, 软脊(装帧)
🗣️ 情景例句
How long will it take to get some more in from the factory?
从工厂再运一些货过来要多久？
Do you often do work during the holidays?
你常常在假日期间做工作吗？
I'm afraid I don't have it any more. I sold it last week.
我恐怕是没有了，上星期我把它卖掉了。