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
Active impedance
adjusted pro rata
also-runner
apanage
assembly unit laboratory
average outgoing quality rate
Balumath
band plate
berlo
blue wildebeest
body-centered cubic(bcc) structure
braceros
business control
cash earningss
chain mail
chemical classification
child allowance
cold resistivity
collision boundary
combustiblesubstance
Cyclobalanopsis sessilifolia
data display indicator
Debinyl
dynamic steel lamination
enamel pipe
eulogium
experimental meteorology
Fairchild 9440
fast patrol boat
fight pollution
finite space
Francis, Sam
full-parabolic reflector
fusarium oxysporum sesami
genus Fritillaria
goal-specific
gounn
habundant
Hanworth
hiper
hydrogen-ion concentration
hypothromboplastinemic
immediate address mode
impedance analyzer
intratracheal insufflation
jardin
jeunehommes
keep measures with somone
kinetic energy equation
kinnall
limiting size
Magnedat
marine batteries
mariner
montagny
Motuoshala-type manganese deposit
Mouzaki
Nathāna
national accounting system
natural-law-theories
nifurquinazol
Nimārpāra
nitroferroin
normal mode helix
oorhodein
oral health
organofunctional
otter
patient valuables
pepperlike
periscope fairing
pink blossom
plutonium(vi) fluoride
power amplification
public surveillance
quarter-speed
query tool
quick flashing light with blinks
rarefication
ringentiformis
runs dry
self-hosting
silver hyponitrite
ski schools
smile away
special credit
standardized random sample
sudorifica
task output queue
the devil's own
thermionic conduction
thugology
thymol acetate
time (cross) section
traffic diagnosis
two-plus-one address instruction
ultrasonic densitometer
universal tensile testing machine
war-drive
washer-faced nut
whiteson
WIA