un. 吸声材料
[网络] 吸音的

sound-absorbent的用法和样例:

例句

  1. A new type of porous sound absorbing material was made from super-strength gypsum and glass fiber.摘要以高强石膏为胶凝材料,内掺玻璃纤维,制备出一种新型多孔吸声材料。
  2. The emphasis is to study the sound absorption properties of gradient polyurethanes at different temperatures and pressures.研究了梯度聚氨酯在不同温度和压力下的水声吸声性能。

Love is the master key that opens the gates of happiness. 爱是打开幸福之门的万能钥匙。(Oliver Wendel Holmes) 图片1

发表于:2018-12-20 / 阅读(36) / 评论(0) 分类 Daily English-2015.6

Unit 82 Euthanasia: For and Against We mustn't delay any longer ... swallowing is difficult ... and breathing, too ... Those muscles are weakening ... These were the words of Dutchman van Wendel asking his doctor to help him die. Affected with a seri

发表于:2018-12-30 / 阅读(66) / 评论(0) 分类 英语流行话题阅读:语境识词4500

Euthanasia: For and Against

发表于:2018-12-31 / 阅读(33) / 评论(0) 分类 有声英文阅读

We mustn't delay any longer swallowing is difficult and breathing, that's also difficult. Those muscles are weakening too we mustn't delay any longer. These were the words of Dutchman Cees van Wendel de Joode asking his doctor to help him die. Affect

发表于:2019-01-02 / 阅读(28) / 评论(0) 分类 双语有声阅读

Anchor: This is DAY to DAY, I am Alex Chadwick. Coming up the culinary challenges of defending prisoners of the war on terror. First, this pro basketball, pro baseball, football, even chess, all these games have superstar players who become the publi

发表于:2019-01-08 / 阅读(134) / 评论(0) 分类 2005年NPR美国国家公共电台

BERLIN, Nov. 9 (Xinhua) -- Germany coach Joachim Loew made two surprises on Friday when he announced his 22-man squad for the upcoming friendly against the Netherlands. Hamburg's goalkeeper Rene Adler returns to the Nationalmannschaft after two years

发表于:2019-02-06 / 阅读(54) / 评论(0) 分类 英语新闻
学英语单词
-cratic
achromatic ocular
Adazi
all right
alretty
antheraea yamamai superba
avium
awash rock
bank-sponsored
bkts.
chesyl
concrete spraying machine
Conhuas
dado joint
defending team
defibrillates
diamond-wise
dilecanus
Doassansia
double resonator klystron
eigen value
expropriate from
fan evase
feature film format
final consumption
final output
financial reports
genus Elanus
go pearshaped
griefsome
haneys
heavy haul trailer
high-frequency instrument
horse stance
income standstill policy
indicator plant of calcium soil
intergranular porosity
intoxicator
intra office document
ionosphere scattering
linac-cyclotron combination
longer-ranges
manipulatings
memorizable
metal fatigue damage
metamorphosens
mis-splicing
mobile mechanism
moment about quarter chord
moralistically
multigap klystron
net provisional tax
neurologia
nonspecific proteins
nonthrust
nose wheel steering control cable
obeliscoides cuniculi
out-sourcings
overexpand
padding of splints
Paso Potrero
pc-interfaces
pedicle
phye
physiological psychologies
pidgeon
playlisting
precordial leads
product-cycle theorem
promotion systems
pseudoplastics
rattil
ray normal
reflexibie
road traffic marking
roundness measuring instrument
ructions
ryabkov
saddle-key
secondary extra reflection
sideroblastic anaemia
slot for cotter
steady-flow turbine
tachogenerator (tg)
tank vapour space
technical trial
tetraxes
thermal electricity
time balls
to loosen
trailerable boat
transformer rotor
tube end expansion
tunnelball
unrequested
unwille
unwree
Vaginae fibrosae digitorum manus
variable capacitance generator
viperiform
water fire-extinguishing system
with shoulders thrown back