Games can help children learn to form letters.
游戏可以帮助儿童学会组合字母。
Rearrange the letters to form a new word.
重新排列字母，组成另一单词。
I've never been a great one for writing letters.
我向来不喜欢写信。
I must get these letters off first thing tomorrow.
我明天首先得把这些信件寄出去。
The many letters of support added weight to the campaign.
许多声援信增加了这场运动的影响力。