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

发表于:2019-01-12 / 阅读(355) / 评论(0) 分类 2015年VOA慢速英语(八)月

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

发表于:2019-02-25 / 阅读(323) / 评论(0) 分类 GRE英语
学英语单词
-kalim
Air America
airplane flight manual
ama no iwato (japan)
anode load
APACS
aster fastigiatus fisch.
average repeater section attenuation
aviation kerosine
boron monoxide
Boselaphus tragocamelus
cheilopalatognathus
Chernakovka
chromosomoid
claspette
composition of forces
conditional assembly expression
contraction coefficient of char
Coronoidectomy(Mandibular)
Corydalis davidii
court of annulment
data tree
deca-candelas
demegestone
dotey
drulia
drums lids loose
E-E reaction
effective instrument
eight-miles
encephalomyetic
English speaker
F.O.R., f.o.r.
first-mentioned defendant
fly-by-light flight control system
Fungochitina
gabbroid
gallivantin'
goldthorpe
greenaspis elongata
incendiary material
incineration equipment
katex
kinesodic
Kuiper, Gerard Peter
legal video
limited-run trial production
line pressure
lock lift
Luco, Mte.
Make your hair stand on end
martialists
McBurney's points
melody maker
Mesokemic
microradiographic method
mod/osc (modulator/oscillator)
mom-to-be
motorized keyboard
munnions
newportite (ottrelite)
nonfactive
nonpermanent residents
nuclear cosmochronology
ochotona alpina
oenanthylic acid
otoadmittance
parabolic dish collector
pauas
peroxysome
phosphor strip triad
photovision
pick-up tube preamp
porture
post-plotting
postorogenic pluton
potassium copper lead nitrite
preparation of base metal for welding
public key cryptosystem
punisheth
Rati
scyphozoan
serial sampling inspection
ship rig
slow to-release relay
solid - state storage
sphere-packing exponent function
straight angle
stubble share
suitorless
table support
tactical diameter trial
Theotocopoulos, Domenikos
think-piece
three-phase power transmission
transcaucasus
truncated frequency distribution
Tundra Wookies
Voltan
whitestone
xylene (dimethylbenzene)