key的第三人称单数 key的第三人称单数是什么

1. 钥匙
2. 答案，谜底
3. （达到目的或解决问题的）方法，手段，关键，要诀
4. 题解，解释，逐字译本，密码本
5. 略语表，发音表，符号表，凡例
6. （地理上的）要冲，门口，（对形势等的）控制权
7. 键
8. 【音】调，主音
9. 关键人物
10. 外形或用途类似钥匙的器具，扳手
11. 声调，基调，调子
12. （感情、行动等的）激烈程度
13. 基本色调
14. 【植】翅果
15. 【篮】罚球区
16. 低岛，礁，暗礁，珊瑚礁
17. （大麻等麻醉品的）一公斤

1. 主要的，关键性的，极重要的

1. 用键盘输入，键控，发报
2. 用钥匙锁上
3. 插上（栓、销子等）
4. 拴住
5. 【音】为...调音
6. 【建】用拱顶石装饰
7. 为（演说、文章等）定基调
8. 使（绘画等）具有特定色调
9. 使协调，使和谐，使适应
10. 使用（检索表）鉴定（生物标本）
11. 为...提供题解（答案、略语表等）
12. 用楔子绷紧担架帆布

1. metal device shaped in such a way that when it is inserted into the appropriate lock the lock's mechanism can be rotated
2. something crucial for explaining;

   "the key to development is economic integration"
   

3. pitch of the voice;

   "he spoke in a low key"
   

4. any of 24 major or minor diatonic scales that provide the tonal framework for a piece of music
5. a kilogram of a narcotic drug;

   "they were carrying two keys of heroin"
   

6. a winged often one-seed indehiscent fruit as of the ash or elm or maple
7. United States lawyer and poet who wrote a poem after witnessing the British attack on Baltimore during the War of 1812; the poem was later set to music and entitled `The Star-Spangled Banner' (1779-1843)
8. a coral reef off the southern coast of Florida
9. (basketball) a space (including the foul line) in front of the basket at each end of a basketball court; usually painted a different color from the rest of the court;

   "he hit a jump shot from the top of the key"
   "he dominates play in the paint"
   

10. a list of answers to a test;

    "some students had stolen the key to the final exam"
    

11. a list of words or phrases that explain symbols or abbreviations
12. a generic term for any device whose possession entitles the holder to a means of access;

    "a safe-deposit box usually requires two keys to open it"
    

13. mechanical device used to wind another device that is driven by a spring (as a clock)
14. the central building block at the top of an arch or vault
15. a lever (as in a keyboard) that actuates a mechanism when depressed

1. serving as an essential component;

   "a cardinal rule"
   "the central cause of the problem"
   "an example that was fundamental to the argument"
   "computers are fundamental to modern industrial structure"
   

1. identify as in botany or biology, for example
2. provide with a key;

   "We were keyed after the locks were changed in the building"
   

3. vandalize a car by scratching the sides with a key;

   "His new Mercedes was keyed last night in the parking lot"
   

4. regulate the musical pitch of
5. harmonize with or adjust to;

   "key one's actions to the voters' prevailing attitude"
   

1.钥匙
Akey is a specially shaped piece of metal that you place in a lock and turn in order to open or lock a door, or to start or stop the engine of a vehicle.

key是什么意思

e.g. They put thekey in the door and entered...
他们用钥匙打开门进去了。
e.g. She reached for her coat and car keys.
她伸手拿外套和汽车钥匙。

2.（计算机或打字机的）键
Thekeys on a computer keyboard or typewriter are the buttons that you press in order to operate it.

3.（钢琴或风琴的）键
Thekeys of a piano or organ are the long narrow pieces of wood or plastic that you press in order to play it.

4.（音乐的）调
In music, akey is a scale of musical notes that starts on one specific note.

e.g. ...thekey of A minor.
A小调

5.（地图、图解或科技书籍的）略语表，符号表，凡例
Thekey on a map or diagram or in a technical book is a list of the symbols or abbreviations used and their meanings.

key

e.g. You will find akey at the front of the book.
你会在书的前面找到略语表。

6.最重要的；关键的
Thekey person or thing in a group is the most important one.

key的近义词

e.g. He is expected to be thekey witness at the trial...
他将成为审判的关键证人。
e.g. Education is likely to be akey issue in the next election.
在下届选举中教育可能成为最重要的一个议题。

7.关键；要诀
Thekey to a desirable situation or result is the way in which it can be achieved.

e.g. Thekey to success is to be ready from the start...
成功的关键在于从一开始就要准备充分。
e.g. Diet and relaxation are two important keys to good health.
限制饮食和放松身心是保持健康的两个要诀。

8. see also: master key
under lock andkey -> see lock

相关词组：key in

• break the key把钥匙弄断了
• cut a key配一把钥匙
• fit a key配一把钥匙
• introduce the key into the lock把钥匙插入锁内
• keep a key拿着一把钥匙
• lose a key丢失一把钥匙
• make a key做一把钥匙
• pocket a key把钥匙放进兜里
• put the key in the lock把钥匙插入锁内
• put the key under the door闭户而去
• turn the key转动钥匙
• use the key用钥匙
• afford the key提供线索
• discover the key to发现…的线索
• find a key找到答案
• have the key有了办法
• hold the keys of〔to〕掌握,控制,支配…
• offer the key提供线索
• pound the keys弹键
• press a key按键
• strike a key按键
• tap the keys弹键
• play in the key of C用C调演奏

• dead key死键
• golden key金钥匙
• high key高音调
• low key低音调
• major key大调
• master key万能钥匙
• right key正确答案
• soft key软键

• key factor重要因素
• key figure关键人物
• key industry基本工业
• key issue关键问题
• key man关键人物
• key position重要位置
• key post重要职位
• key role关键性作用
• key speech重要发言
• key university重点大学

• in a key用某一个调
• in the key of用…调演奏
• in the same key单调地,千篇一律地
• off key不合调,走调
• under lock and key严密监禁

• key for the use of teachers供教师用的题解
• key in the lock插在锁头里的钥匙
• key of开…的钥匙
• key of C major C大调
• key of the door开门的钥匙
• key of the lock开锁的钥匙
• key of the position要害地点
• key of the room开房间的钥匙
• key to开…的钥匙
• key to an understanding of the situation了解形势的线索
• key to good health健康的诀窍
• key to success成功的秘诀
• key to the difficulty解决困难的办法
• key to the door开门的钥匙
• key to the lock开锁的钥匙
• key to the room开房间的钥匙
• key to the secret秘密的线索

• key one's mood使某人的情绪适合
• key the factories使工厂适合
• key the programme使这个节目适合
• key this sentence输入这个句子

• key to the needs适合需要

• I tried the lock with one of my own keys, and managed to open the trunk.

  出自：A. S. Neill

• She has a key and lets herself in.

  出自：W. Wharton

• A..Mustang with the driver's window open and the key in the ignition.

  出自：J. Gores

• Lean young skyscrapers..key in with Rome's general virtuosity.

  出自：E. Bowen

key of, key to

key的后置定语可由of引起,也可由to引起,其区别是：

1.作“钥匙”解时, of后接“房间,建筑物”等, to后接“门,锁”等

2.作“关键”解时, of后接一般事物, to后接“成功”等结果名词

3.作“…的键”解时,用of,作“通往…的要冲”“…的答案”解时,用to。总之,含有方向、结果等意味时接to,表示所属时用of。