您要查找的是不是：
- A letter of an alphabet. 字母，字素字母表的一个字母
- Any combination of three letters of an alphabet. 字母表中任意三个字母的组合
- Not an agreement, but a letter of intent. 不是签订协议，是意向书。
- The bases constitute a code for different proteins, much like the letters of an alphabet foiling words and sentences. 碱基是由不同的蛋白质构成的密码，颇像组成一些单词和句子的一个字母表的字母。
- I'm writing a letter of thanks to them. 我在给他们写一封谢函。
- The bases constitute a code for different proteins,much like the letters of an alphabet foiling words and sentences. 碱基是由不同的蛋白质构成的密码，颇像组成一些单词和句子的一个字母表的字母。
- A good face is a letter of recommendation. [谚]漂亮的面孔就是最好的介绍信。
- He is fishing for information by a letter of inquiry. 他写信询问，希望打听一下消息。
- I hope a letter of admission will be issued to me in due course. 希望能将入学证书及时寄我，并盼早日复信。
- A letter of introduction will ensure you an interview. 凭一封介绍信准保会接待你。
- Within two days I received a letter of acceptance from the manager. 不到两天，我就收到了经理写来的录取信。
- Send a letter of application in your own handwriting. 寄一封手写的申请信或求职信。
- He stormed into the office, flourishing a letter of complaint. 他挥舞著一封投诉信冲进了办公室。
- If practice, forwarders proved generally unwilling to prod their customers to have a letter of credit accept tender of an HBL. （但是在实际上，货代并不愿让客户拿到接受HBL的信用证。
- I waited on him with a letter of recommendation. 我持一封介绍信去拜访他。
- You must pen a letter of thanks to your uncle. 你必须给叔叔写一封感谢信。
- A written symbol or character representing a speech sound and being a component of an alphabet. 字母一种书写符号或代表一个语音的特征，是字母表的组成部分
- We are in receipt of a letter of complaint. 我们已收到一封抗议信。
- He is asked to write a letter of recommendation. 有人请他写推荐信。
- A good countenance is a letter of recommendation. 一副善良的相貌是一封推荐书。
