英语词汇：和“数、理、化”有关系的词

The shade meaning of "power":

【数学】乘方、幂
The sixth power of two is sixty-four.
【力学】
力：horse power
功率：rated power额定功率
【电学】
电力：power network
电源：power switch
功率：power export
【化学】
能：chemical power
本领：catalytic power催化本领
化合价：Aluminium has a conmbining power of three.
【机械】
动力：power shaft传动轴
力：brake power
【社会】
力量：knowlege is power
权力：politica power
强国：superpower

The shade meaning of "system":

【机电】
系统：electric light system电照明系统
lubricating system润滑系统
电力网：system fault电力网故障
装置：tierod-crank system连杆曲柄装置
top charging system炉顶装料装置
设备：loading system转载设备
制：basic hole(shaft) system基孔（轴）制
【数学】组：system of equations
【力学】系：system of forces
【化学】法：acid system酸法
【社会】
体系：industrial system
制度：social system
方法：a new system of teaching foreign language

The shade meaning of "work":

工作：work experience
工件：stamp work模锻工件
工厂： NO.1 Motor Vehical Works
工事：defence works
著作：new works on acupuncture针刺疗法新书
功：mechanical work
运转：The machine works well.
加工：The wood works easily.
起作用：The medicine works.
造成：work wonders(miracles)创造奇迹

The shade meaning of "sound":

【声音】sound wave
【听起来】The plan sounds reasonable.
【发音】sound every syllable!每个音节都要发音。
The ship moved slowly forward sounding as she went.航船慢速前进，一路锤测水深。
【完好的】sound metal优质金属
【牢固的】sound casting 坚实的铸件

The sahde meaning of "sound":

【圆的】round plate
【整的】a round ton
【环形】a round trip往还一次
【圆角】fillet and round内圆角和外圆角
【弹】guided round (missile)导弹
【围绕】The moon moves round the earth.
【到处】show sb round
【使圆】round the corners
【舍入】3.14159 rounded to four decimals becomes 3.1416