written单词相关例句：
Every one's faults are not written in their foreheads. 知人知面不知心。
This great poem was written by Li Bai.
这首名诗是李白写的。

The alphabet is the basis of written English.
英文字母是学习书面英语的基础。

My favorite music compositions were written by Chopin.
我最喜欢的乐曲是肖邦所作。

The story is written in plain Japanese.

这个故事是用简单的日语写成的。

（请柬用语）敬请赐复. RSVP is an abbreviation for (缩略=) 'répondez s'il vous plaît', which means 'please reply'. It is written on the bottom of a card inviting you to a party or special occasion.
N-COUNT. (手机的)短信，短信息，短消息. A text message is a written message that you send using a mobile phone.

He wiped out with an eraser what he had written on the blackboard.

他用黑板擦把他在黑板上写的东西全擦掉了。

N-TITLE. 女士(尤用于书面语，用在女子名字前，不指明婚否). Ms is used, especially in written English, before a woman's name when you are speaking to her or referring to her. If you use Ms, you are not specifying if the woman is married or not.
N-UNCOUNT-COLL. （在公共场所的）涂画，涂鸦. Graffiti is words or pictures that are written or drawn in public places, for example on walls or posters.
letter单词相关例句：
A smart coat is a good letter of introduction. 人要衣装，佛要金装。
There is a holy, mistaken zeal in politics , as well as religion, by per-suading others we convince.——Junius ,Unidentified letter weiter  政治和宗教都存在着一种神圣的、错误的热情：在诱劝别人相信我们所相信的东西。国籍不明的书信代理人 朱尼厄斯  
The letter had a red seal.
这封信有枚红色的火漆封印。

The brief words on the letter explain why she wants to quit.
这封信上简短几个字就解释了她为何想辞职。

Hey! You’ve got a letter in your mailbox!
你的信箱里有一封信！

I'm going to send a letter to my friend.
我打算给我的朋友寄一封信。

The initial letter of "China" is "C".
"China"这个单词的首字母是“C”。

I got a letter from my uncle yesterday.

昨天我收到叔叔的一封信。

She selaed the letter with hot wax.

她用热蜡把信封死了。

I folded the letter and then put it into the envelope.

我把信折好后装进信封。