音标:['rʌfnis] ;
n. 粗糙, 凹凸不平, 粗糙度, 篷乱毛发
[化] 粗糙度; 不平度
n. a texture of a surface or edge that is not smooth but is irregular and uneven
n. harsh or severe speech or behavior
词型变化:名词复数形式 : roughnesses
词性分布:
名词100%

roughness的用法和样例:

例句

用作名词(n.)
  1. Surface roughness has a profound effect on wind speed.地表粗糙度对风速有相当深刻的影响。
  2. Wood surface roughness was studied by using fractal dimension method.应用分形维对木材表面粗糙度特征进行研究。

词汇搭配

  • rough粗糙的
  • relative roughness相对糙度,相对粗糙度...
  • bed roughness层粗糙度,河床粗糙度...
  • roughness coefficient粗糙系数
  • roughness parameter起伏参数
  • roughness factor粗糙因素, 糙率...
  • absolute roughness绝对粗糙度
  • undue roughness粗野动作
  • roughness meter粗糙度计
  • roughness index粗糙指数
  • aerodynamic roughness空气动力学粗糙度...
  • wall roughness壁面粗糙度
  • sand roughness砂粒粗糙性
  • surface roughness表面粗度,表面光洁度...
  • equivalent roughness等效粗度
  • channel roughness河床糙度
  • roughness curve粗度曲线
  • roughness height粗糙度高度,粗糙高度...
【近义词】
【反义词】

Screams Have Special Place in Brain 尖叫声在大脑中会有特殊的位置 From VOA Learning English, this is the Health Lifestyle report. Have you ever thought about screaming? A blood-curdling scream is a natural reaction to sudden, extreme fri

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GRE改革之后,新GRE词汇量减少20%,但在减少的同时,新GRE对词汇的考察也加大了一定的难度。新GRE词汇是整个考试的基础部分,具有重要地位。以下是2012新GRE词汇:asperity,希望能帮助各位考

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学英语单词
a-hungry
acoustical doppler current profiler (adcp)
actual row
AFPOE
air battle
alveo-
anaesthetician
analogue computation
Barbadoses
bestiarius
biscet
blacking out
bulk deformation
calrick
camera control lever
capacitance type strain gauge
car chase
casting volume
central lesion
cervical curvature
clean up process
cloud searchlight
commutator end plate cover gasket
constable police
Council of Economic Advisors
criticize sb to his face
current differential
day home
Dhaurahra
Dobros
Drypetes salicifolia
equivalent wavelength
four-point assay
frameless glass door
germinocarcinoma
gessoing
growth line
Harsūd
haway
head bend
Hegoma
high speed automatic loom
horizontal drive signal
hyperempathy
importunating
impregnated filter method
indifference curves
interceptor missile
isoamyl vinyl ether
jamaat
Kiernan
Lavrentiya, Zaliv
length of painter
Lillholmsjön
low tide shoreline
magnesium silicate
marezzo marble
Marquis of Lorne
mazor
modulated keyed continuous waves
Montmorin
moving force
multilevel hierarchical structure
naphthofuran
outdoor agitation
peristaltic wave
Pierse
pyro powder
Qiangtang
rapid destruction
rester scan
rogue's tattoo
round-point needle
salicylbromanilide
single event multiple bit upset
sit-up
Southern Sesotho
space flight training machine
steering knuckle thrust bearing
stepladder polymer
stock pig
stretch form die
subsampled
symphyllia valenciennesii
syracosphaera lamina
terminal section
thala jaculanda
theory of productive forces decide everything
thermal retardation coefficient
thredboes
tonoclonic
tottie
train describer
transamidination
transorbital approach
unharrowed
vector geometric interpretation
veggies
were in full play
white sandalwood
Willamette R.
wrassling