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
2-hydroxybenzoic
aerological observation
alfilaria
anticorporation
ascorn
atomic kernel
awe-stricken
axinellid
bank multiple cable
be at a low ebb
benthosema pterotum
block flow
bronze featherback
Carmat
chasmophyte
co-rotations
coffee borer
cold filter plugging point
commodify
constant vacuum carburetor
coolant purification pump
cutter-loader colter
day light saving time
dendrocopus leucotos
denitrify
derrick hoop
desiccation of wood
dextrogyrate, dextrogyre
DIALOG Information Service
diminish inflammation
direction listening device
doripenem
esholine
fall of potential (drop of potential)
feedwater heating stage
fellow-traveller
fever due to yin deficiency
fire -fighting tug
fluctuating light beam
form types
fracture porosity partitioning coefficient
full-screen editor
Gauss quadrature formula
general aptitude test battery (gatb)
genus Borassus
goldecks
group of collineations
guanosine tri-phosphate (gtp)
guard born
gunfire control radar
gurumin
Gymnopteris
hawkfish
hipocrepiform
Huasaga, R.
in-frame mutation
isotrifolin
lehman brothers
LeukotrieneE4
lichen myxedematosus
Los Vientos
loss-free
major repair of road machine
make himself known to
mathematical discovery
maximum bending moment diagram
naphthoquinone
narcoticism
nonsynchronous motor
not that you know of
octadical
offset strip fins
pickup lift shaft
piezoelectric strain gauge
potassium-argon age method
precision iterative operation
precombustion chamber
pressure switch (pneumatic)
psalis
pulvis flores pyrethri
pyramidellid
revenast
rubus amabilis focke
sequencings
skew t/log p diagram
sliding vane motor
sly as a fox
SMDH
softe of stomach
specific exhaustibility
Stachytarpheta jamaicensis
subworker
superlobgoshious
tocama formosana
truehead
Tuberculum pubicum
Victoria Ra.
war reserves
water suspension paste
yerma
Yoichi-gun
zero-acess storage