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】

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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
abons
activity restart
ambiguas
anglo-continental drawing
anoth
answer the phone
antidotical
antitetanicum serum
antoreinfusion
applied system ecology
Aqueductus cochleae
artesian water
as appertains
autogenetic topography
baenosome
bark chittim
be saddled with
blank run
brief meeting
butylation
call off
characeeristic function
chimney works
clinical ecology
comminuted cheese
commute between
constant speed ratio coupling
contractual obligations
council houses
curytiba (curitiba)
de-awarren
dead last
Desperate diseases must have desperate cures .
direct pupillary reflex
disavowance
dolls up
double-scale instrument
evacuationist
excavation effect
extensivity
fluoranthenes
fm ranging
ford-
fresh water vegetation
geology of satellite
gill and duffus
Gomphia striata
gyrofinishing
Hibiscus moscheutos
illuminated sign
improper received profit
inference speed
jcpt
Kim Jong-Il
kithing
laboratory digester
lifting from the bottom test
live catalyst
lumbar sympathetic ganglionectomy
mateynesses
maxwell velocity distribution law
Medas, Is.
mixed capacity
multilobular cirrhosis
nanopascals
nucleolus organizers
offence of bigamy
operationalizations
Paulo Afonso (Falls)
Pedicularis chumbica
per-patient
photographic image contrast
play-ed
pope
portable pulse rate indicator
pre-industrial society
preventer lift
primuloides
Prosostomata
scale units
school bully
scrimshawed
ship bottom paint
shove ... around
Skopi
South Cerney
spontaneous discharge
supplement food
telephone head set assembly
thermal cycling stability
throw into the shade
timeliness
Travelers Insurance
trimming hatchway
tunnel rat
unguiltiness
unqualified hostname
V-RAM (video RAM)
washing water inlet
when'll
Willenhall
Xiva