时间:2019-01-26 作者:英语课 分类:阅读空间


英语课



Everybody loves the swimming pool. But how clean is the water in the average backyard or public pool? If you trust chlorine to take care of germs 1, you're in for a surprise.  

Chlorine and other disinfectants do indeed help to clean the water, but some germs can survive in even the best-kept pool. For example, cryptosporidium may live in pool water for several days. Crypto causes a diarrheal illness and may rinse 2 off the bodies of infected people or diapered children into the pool. If you swallow infected pool water, you may become sick.

Other germs may live for a few minutes or a few hours in a chlorinated pool: Giardia, Shigella, and E. Coli may cause diarrheal illnesses. Pseudomonas Aeruginosa may cause an ear infection called swimmer's ear and also a skin infection called "hot tub 3 rash," that is usually associated with very warm pools and spas.

While keeping the correct chlorine and ph levels will minimize 4 water-borne illness, prevention is also a good idea. Keep diapered children in the water for only brief periods and keep sick people out of the water altogether. And, don't ever swallow pool water.



n.微生物( germ的名词复数 );病菌;起源;发端
  • Dirty hands can be a breeding ground for germs. 脏手会滋生病菌。
  • The air is full of millions of invisible germs. 空气中充满了许多看不见的细菌。 来自《简明英汉词典》
v.用清水漂洗,用清水冲洗
  • Give the cup a rinse.冲洗一下杯子。
  • Don't just rinse the bottles. Wash them out carefully.别只涮涮瓶子,要仔细地洗洗里面。
n.桶,塑料杯,纸杯;盆,洗澡盆,浴缸
  • The girl washed clothes in a tub.那女孩把衣服放在木盆里洗。
  • The tub needs fixing too.It leaks.浴盆也得修了。它漏。
vt.使减(缩)小到最低,极力贬低,最低估计
  • To minimize the risk of burglary,install a good alarm system.安装可靠的报警设备以减低被盗的风险。
  • To minimize the public expenditure of this country.把该国的财政支出减少到最低限度。
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学英语单词
a terrestrial plant
absent-minded
acpt.
acquihire
ammonia hemate
anecdotalism
anemic infarctnhite infarct
atomic scale si surface flattening
aureotan
Black Peter
boiling length
botetes
built in obsolescence
bunt lizard
buyer's wheel
call by
capacity of air compressor
classical error theory
classification of seas
Clayden effect
compensation ampere-turns
computer equation
cutting-up board
day car
derived organ
digital readout indicator
drunk tank
Edsbro
electronic position-fixing equipment
electronically-controlled automatic switching system
entrepreneurial leadership
finish boring
flatlet
fleenor
fleet NET
freeing lung-Qi and eliminating damp
FWH
getting around
graphical pages per minute
gregory nazianzens
grisell
grogge
Heho
homologous lung oxygenation
hypoplasia of dentin
incompressible stratum
intercontinental baseline
internal commerce
Internet suffix
irradiation space
isodromic
kochi
L. Ed.
labrys (crete)
ladyfied
Lebensform
lenity
ligularia
local excitation
Luzéia
megawarehouse
mess supervisor
minimal spanning tree algorithm
mischka
multisong
nitidity
nonbird
ontrack
osteotrib
otorhinolaryngologic surgery
over your head
pavidity
pensas
philosophic
phyletic weighting
pizza boy
purified talc
pyrexias
Q. O. R.
second junction
sehen
servation
shell command language
siccars
situation diagnosis
snowdropping
stay baffle
stick like a limpet
stylise
sumned
table feeder
take a short cut
teleordering
telescopic energy-absorbing steering transmission shaft
thio-propenyl ether
ticked someone off
torpidness
tough alloy steel
trygve lies
twisted cable
water supply and drainage
wireless modems