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
3-Methylhistidin(e)
Altomünster
american depositary shares
amphicar
arachibutyrophobia
arc air gouging method
audio diary
ballast channel plate
barback
BCU
beam-folding
blowing something up
Brillon-en-Barrois
c.e
Chiador, Cachoeira do
chloranthus spicatus mak.
chlorpropamides
cinchonise
close restraint
cloth finishing
collection of sewage
compiling computer
compromise between
convolutids
cornelians
cotchins
crassulaceous metabolism
cutting diamond
dry capacity
edit program
electrochemical dissolved oxygen recorder
established church
ethmoturbinates (or ethmoturbinals)
fackelmann
filarioid
folate
foreshooting
Gawain
Germer, Lester Halbert
ginkgo poisoning
group busy hour
Hans Eysenck
incogitable
Indian okra
individual communication procedure
integrated circuit engineering
ISPX
jinbuhuan Plaster
L-TRP
LAN tester
libcrypts
lineartempering
loadascreen
maderia
main grinder table
matete
molecular formulas
multifont reader
nonstable integrality theorem
Oxney, Isle of
perceived barrier of action
perfusional
periodentosis
phalanges (fore limb)
playboard
post message
preemzyme
primary cost
pro-rate
propheteering
public disaster
pull-up position
Qutiabad
reactor geometry
recess shearing
reemphasized
reforger
respropiophenone
right angle viewer
rise
rolling forecast
rotundly
runningbacks
rusky
sarcophaga peregrina
schreik
settlement observation
seven barks
simultaneous confidence interval
slip type elevator
sonoriferous
source program library
stable rate of infiltration
Sukhoy
taylor rule model
theoretical slope factor
to moor
tour neyed
unpatened inventions
unturreted
world tanker fleet