K, k
noun uk/keɪ/ us/keɪ/
(LETTER)
[ C or U ] plural Ks, K's or k's（英语字母表的第11个字母）
the eleventh letter of the English alphabet
(COMPUTER)
[ C ] plural K千字节（kilobyte的缩写）
abbreviation for kilobyte specialized
a computer with 256K of memory 内存为256K的计算机
(MONEY)
[ C ] plural K一千英镑（或美元等）
informal for 1,000, especially 1,000 pounds, dollars, etc.
His car cost him $20K. 他的汽车花了他两万美元。
(TEMPERATURE)
[ after noun ]开（kelvin的缩写）
abbreviation for kelvin specialized
273°K 273开氏度