音标：['si:,es] ；

文职人员, 行政机构
[计] 通道状态, 通信仿真器, 公用源, 计算机软件

n a soft silver-white ductile metallic element (liquid at normal temperatures); the most electropositive and alkaline metal
n a degree on the centigrade scale of temperature
n the speed at which light travels in a vacuum; the constancy and universality of the speed of light is recognized by defining it to be exactly 299,792,458 meters per second
n a vitamin found in fresh fruits (especially citrus fruits) and vegetables; prevents scurvy
n one of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose)
n a base found in DNA and RNA and derived from pyrimidine; pairs with guanine
n an abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond; occurs in all organic compounds
n ten 10s
n a unit of electrical charge equal to the amount of charge transferred by a current of 1 ampere in 1 second
n a general-purpose programing language closely associated with the UNIX operating system
n (music) the keynote of the scale of C major
n the 3rd letter of the Roman alphabet
n street names for cocaine

词型变化：名词复数形式 : css

CS的用法和样例：

词汇搭配

CS gas催泪瓦斯

【近义词】

cesium【化学】铯（元素符号 C...
caesium[化]铯

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学英语单词

Abert's squirrels

accordion-girl

air intake filtration

allowable defect

alot

application for trademark

arbitrary depreciation method