英音 [ki:]; 美音 [ki:]; 可数名词：
1.钥匙
2.图例，题解
3.（解决问题的）线索，诀窍，答案
4.（钢琴，打字机等的）键
5.【音】调
6.重要，要害，重要人物
及物动词：
1.锁上，插上
2.【音】为……调音
3.用键盘输入（信息等）
a.要紧的，基本的，重要的 英语讲解 provide with a key effective; producing a desired effect regulate the musical pitch of vandalize a car by scratching the sides with a key a winged often one-seed indehiscent fruit as of the ash or elm or maple a kilogram of a narcotic drug harmonize with or adjust to a list of answers to a test a space in front of the basket at each end of a basketball court; usually painted a different color from the rest of the court something crucial for explaining a generic term for any device whose possession entitles the holder to a means of access a list of words or phrases that explain symbols or abbreviations mechanical device used to wind another device that is driven by a spring pitch of the voice metal device shaped in such a way that when it is inserted into the appropriate lock the lock‘s mechanism can be rotated a lever that actuates a mechanism when depressed the central building block at the TOP of an arch or vault serving as an essential component identify as in botany or biology, for example a coral reef off the southern coast of Florida 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‘ any of 24 major or minor diatonic scales that provide the tonal framework for a piece of music
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