(1)笔记;记录(brief record of what is heard，seen，or read，written down to aid the memory)[C]：take/make/write/compare/talk from (without)～s 记笔记/做笔记/写笔记/交换意见/根据(不用)稿子发言;lecture/medical/careful/stray～s 讲课笔记/病历/详细的笔记/随笔;the～of a journey游记

(2)短笺，便条(short informal letter or message)[C]：leave a～behind 留下一张便条;pen a～to one's friend 给朋友写一张便条;a～of thanks 一封简短的感谢信;Write me a～when you've fixed the date. 定下日子后给我写封短信。

(3)(外交上的)照会(diplomatic paper)[C]：send (present) a～of protest to a country 向一国发出抗议照会;Negotiations were conducted by an exchange of～s. 通过互换照会进行协商。The～demanded an immediate halt of such activities. 照会要求立即停止这类活动。

(4)按语，评注，注释(explanation or comment on a passage in a text or a book， etc)[C]：a book with explanatory～s 一本有注释的书;a new edition of Hamlet with～s at the back 书后有注解的新版《哈姆雷特》;N～s on the text are given below. 课文注释见下。My copy of King Lear is full of～s written by my brother when he was studying it. 我的那本《李尔王》上全都是评注，那是我兄弟研究它时写的。

(5)钞票 (amount of money in paper form) (also banknote，AmE通常bill)[C]：four five-pound～s 四张五英镑的钞票;Can you change a $100～? 你能不能把一张100美元的票子换成零钱? He deposited the sum in～s and coins. 他把这笔有纸币也有硬币的钱都存了起来。〖同〗bill，money，currency;

(6)乐音(musical sound)[C]：She can't sing a～. 她一个音都不会唱。 I'll never reach that high～. 我永远也唱不到那么高的音。The song ended on a high～. 歌曲在高音处结束。Sing this～for me. 唱这个音给我听。

(7)音符(a written or printed symbol represent-ing a musical note)[C]：a whole/half/quarter～全/½/¼音符;Get down those～s quickly. 快把这些音符记下来。

(8)琴键(a key of a piano or other instrument)[C]：the black～s and the white～s of a piano 钢琴上的黑键和白键;

(9)(鸟或其他动物的)叫声(the characteristic call or cry of a bird or other animals)[C]：a mellow～of the cuckoo 杜鹃悦耳的啼声;the blackbird's merry～ 画眉轻快的鸣叫;I heard the clear～of a cardinal. 我听到了红衣凤头鸟清脆的叫声。

(10)口气，调子，特征(a sign or hint that reveals a certain quality)[C，sing][N(of)]：There was a～of hysteria/fear/desperation in her voice. 她声音中透着歇斯底里/恐惧/绝望。The conference ended on a～of hope and confidence. 会议在希望和信任的气氛中结束。

(11)注意(notice;observation)[U]： worthy of～值得注意;He peered out of the window and took～of the weather. 他向窗外张望，观察天气。Then they were astonished to find that they had been taking no～of time，and that night was about at hand. 那时他们吃惊地发觉大家都没注意时间，天已快黑了。〖同〗regard，notice;〖反〗indifference;

of note 著名的;重要的：a musician/family～有名的音乐家/有名望的家族;

strike/sound a note (of sth) 表达某种感情(观点)：The report struck an occasional frivolous～.这个报告间或带有轻佻的口吻。