Flexiback
软背, 软脊(装帧)
🗣️ 情景例句
Who's Carter Boswell?
谁是Carter Boswell？
I worked at the grocery store yesterday.
我昨天在杂货店工作。
My holidays passed quickly, but I did not send cards to my friends.
假期过得真快，可我还没有给我的朋友们寄过一张明信片。