音标:[kɔnˈkeɪvd] ;
v. 凹的( concave的过去式和过去分词 ); 凹地; 凹面, 成凹形
imp. & p. p. of Concave
a. Bowed in the form of an arch; -- called also arched.

concave的用法和样例:

例句

用作形容词(adj.)
  1. The palm of one's hand is slightly concave.人的手掌是微凹的。
  2. A cylinder is a hollow tube with a closed concave base that permits it to stand upright.钢瓶是中空的管道,封闭的底部是凹入的,这样可以直立起来。
  3. His figure looks very funny in the concave mirror.他的样子在凹镜里显得非常可笑。
用作名词(n.)
  1. These are aberration-corrected holographic concave gratings.下表所列为像差校正全息凹面光栅。
  2. The cloven hooves are sharp edged, elastic and concave.蹄锋利,呈凹形,富有弹性。
  3. This article has described expanding method for repairing the concave retaining ring caused by the hydraulic bulging.详细介绍了用扩冲法对液压胀形出现凹形的护环进行修复的方法。

词汇搭配

  • concavo-concave两凹的
  • convexo-concave半凸半凹面的...
  • plano-concave平凹的
  • concave joint凹缝
  • concave edge凹边,凹面
  • concave mirror[物]凹透镜
  • concave bottom凹板分组,凹底...
  • concave bit凹形凿,凹形钻头...
  • concave curve凹曲线
  • concave tile凹瓦
  • concave slope凹坡
  • concave curvature凹曲度
  • concave bank冲刷河岸,凹岸...
  • concave surface凹面
  • concave plane凹底刨,凹平面...
  • concave grating凹光栅
  • concave weld凹焊缝,轻型焊,凹面...
  • concave saw凹面锯,蝶式圆锯...
  • concave cutter凹半圆成形铣刀,凹半...
  • concave lens凹透镜
【近义词】
【反义词】

汉字是由笔画构成的。笔画是书写工具在书写面上的运动,大概有三十种不同类型,有些是基本笔画,有些是复杂笔画。笔画对学习汉字以及书法都有重要作用。下面分别说明。注意,笔画的

发表于:2019-02-14 / 阅读(99) / 评论(0) 分类 英文语法词汇
学英语单词
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anti-illiteracy
autosaved
backflowing
biotic resource
Boehmeria
cam switch
cammerer
canonical constant
cargo temperature control
cascaded thermoelectric device
chewing out
children's drawing
claim document
comptroller of currency
congenital nephritis
coronary arterial disease
Cortenema
Demarc(k)ation
Dendermonde
dual-buss
Elder, Mt.
equity credit lines
erio fast floxine
family bromeliaceaes
federal aviation act
FOLFIRI
for the avoidance of doubt
fritsche
genus triatomas
give sth a shot
go solid for
gobstopper tree
grid-system
hatemail
heterophil leucocyte
Holme Chapel
hyperaccumulations
immersed surface
inner photoeffect
isanic acid
jeant
Kew Gardens
knep
Lapicque's constant
lapse rate of atmospheric temperature
laser welder
lestats
lgobox
luxive
manganogel
marvelest
mechanical torque convertor
Menate
Movietone
nadimba
ophites
oversampling
pansheon
papillae lacrimalis
pay obeisance to
pendall
pentoxiphylline
phonemic split
photolithographer
photon-correlation
polling techniques
Pukekohe
pulsed gas analyzer
put a sock in it!
quier
radiometric temperature measurement
raphe pterygomandibularis
romanas
Russkaya
sad tree
sandinismo
scrotal sac
single acting engine
socialists
soy(bean) milk film
static permittivity
stick to something like a leech
sulfury
summ'd
supernatant liquid
take the fancy of someone
Tisha b'Av
tonicifies
treatment line
ttfa
tumble card
universal gear lubricant
ustilazin
vagariess
vector form
veinule
VESA DPMS
Wild fence
wymalve
Z-iron