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(304) / 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(284) / 评论(0) 分类 GRE英语
学英语单词
acentric
Addiction Medicine
algolagnist
Alī Abd Allah
antiimplantation
apodemuss
back-slappery
bend fracture
bill jobber
Blumer's sign
boxlike
brininess
Callicarpa salicifolia
capital of Saudi Arabia
Cardiassist
castoring
common lavender
compilation of budget
Computing Surface
condenser bushing type potenital device
construction plant and facilities
convergent plate
convert foreign exchange
cross-coil instrument
Cuzorn
default volume
digitalizations
double annual ring
double reverses
dwa(l)m
Dzierzon's law
economic basis of valuation
edema indurativum
elemental time
enrichingly
false zero method
folium primordium
fontanas
gas flow indicator
genus Avicennia
grayedest
hardily
heat-resistant explosive
heating inductor
Hill,James Jerome
honokaope b.
individual judging
infrared color film
ionosphere sounding satellite
Kexbrough
Kuzumaki
lead-tight
leakage condenser
life-jackets
Ligularia biceps
lined with white metal
long ears
loss of rights
Mallorol
Mawai
more rarely
motor hull insurance
non-communion
northwest wind
operator display terminal protocol
otitis media
outly
pangamic
parallel shaving method
pear wine
permission indication
physiologic retraction ring of uterus
poke smot
policy evolution
practises on
prodexin
professional boxing
pump performance
reel fed
S. N. A.
scrollbars
semi-solidified liquid
shiphoard
shit papers
siphunculated
some issues
staging error
state-police
subgradient
swingbeat
there's no use
thermal protection system test
transmission case drain plug
Tsivil'skiy Rayon
unit source
us cat
vapidly
vertical amplification
wax-bearing oil
well-spokens
what'n
xenotyphlopid