N a card, usually one on which the postage is prepaid, that is sealed by being folded in half so that its gummed edges come into contact with each other 封缄明信片
Let's play the letters game. I'll show you some letter CARDS.
利用英文字母卡片，做字母抢答游戏，使学生们对学习字母更加感兴趣。
Let's review the letters from Aa to Nn with some letter cards. 2.
利用形体表演字母，增加趣味性，让字母生动活泼起来。
You can see from the expression on his face that there were other things in the letter besides report CARDS and velocipedes.
你从他脸上的表情可以看出，信里除了报告成绩和学自行车的事还有别的。
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