时间:2018-12-30 作者:英语课 分类:202 Useful Exercises for IELTS


英语课

       Narrator: Exercise 3.8. Dictation 1:


  Air pollution / is probably the modern world's greatest threat. / Water can be filtered, / land can be cleared, / but filthy 1 air can only be filtered / by the nose and lungs. / It is estimated / that living in a big city / is equivalentto smoking / half a packet of cigarettes a day. / What is more, / the most dangerous components 2 of air pollution/ are invisible gases. / We cannot smell or see / the dangerous gases given off / from the exhausts / of cars, lorriesand buses. / However, / this does not mean / they are not present in our bloodstream / every time we take a breath.

/ It is obvious / that our future health / depends on the development / of a safer vehicle engine.



adj.卑劣的;恶劣的,肮脏的
  • The whole river has been fouled up with filthy waste from factories.整条河都被工厂的污秽废物污染了。
  • You really should throw out that filthy old sofa and get a new one.你真的应该扔掉那张肮脏的旧沙发,然后再去买张新的。
(机器、设备等的)构成要素,零件,成分; 成分( component的名词复数 ); [物理化学]组分; [数学]分量; (混合物的)组成部分
  • the components of a machine 机器部件
  • Our chemistry teacher often reduces a compound to its components in lab. 在实验室中化学老师常把化合物分解为各种成分。
学英语单词
3-carboxyantipyrine
accident costs
aetosaurs
analytically unramified semilocal ring
angstrom's scale
Ban Pa Daeng
batons sinister
beltway/ Beltway bandit
bilardoes
blind thrust fault
bloody vomit
Bolocephalus saussureoides
Bom Sucesso, Ribeirāo
boundary scan test
clastoderma debaryanum
claw foot
climbing maidenhair fern
color gradients
combat day of supply
consolidated income tax system
constructable
contrail formation
deseasonalizes
DIBOA
Didymocarpus stenocarpus
elephant-hide pahoehoe
emphasis
enterprise registration
entwicklung
epigrammatism
extraordinary disbursement
flopsand
franciso
Gamvik
gardyn
gas-solid reaction
generic flow control
guaiac
gut course
Habenaria humidicola
heavenware
hollow tube
hydrochemicogeography
ince burun
information bandwidth
injection-moulded
Innocent III
intercentral articulation
intermining
ion-exchange process
ionic valve
job classification analyst
Klamath R.
koseki
Kronotskiy Poluostrov
logicizes
lung tumor
machine reel
mathewsons
maximum-modulus theorem
misbefalls
montastrea curta
Naka-umi
on-line aerophotogrammetric triangulation
paraffin oils
phaeo-
plurivalent chromosome
porvoos
pregreasing pump
prewrap
pricing entire product package
pyrotechnic gas generator
radioisotope transmission gage
Rally for the Republic
rami utriculi
schlimazel
Selimiye
semi-strong linear element
sequelitis
sir john rosses
slag-hammer
sodium butylate
St-Jean-du-Gard
standing field
suiboku
temperature hyperbola
terminal switching
thawing water irrigation
theoretical geodesy
throws up
townleys
Tremelleae
trichloro-phenomalic acid
unexploded
United Nations Administrative Tribunal
upper breast
wheedles
with-it
wollard
yellow coneflower
zigzag chain
zoolater