时间:2019-02-24 作者:英语课 分类:英语听力文摘 English Digest


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。
学英语单词
acoustooptic filters
agricultural producer's cooperative
air silencer
angle of pole
aspidium oleoresin
backchained
band-cell
BB-tree
Br. & G.
breastplated
Carex doniana
Cephalanoplos segetum
cheese mold
chilling roll
cholyltaurine
color blind
cross-correlation receiver
crossed-roller bearing
date of retirement
dinshaw
driftfishes
dwarfing effect
eiectric sleep
engine unit sender
entomesocuneiform
environmental stability
equitization
extreme attitude
face-on object
fairylandted
family Pandanaceae
fireclay brick
fixed-price contract
frame working
galvanochemical
Gavi, I.di
GH-RH
Glenard's tests
glue stuff
gnetaceaes
gross terms of trade
gybytte
Hallez's law
hbmc
hear and there
high reverse voltage triode
homogeneous period
Howeke
incopious
K-arc search for an immobile hider
kick raise a rumpus
La Pedrera
leesa
leisten
Levasole
levets
light lube oil
linoleyl sulfoacetate
loop speed-up
lozenge glass
lug flange
lumber sawing
LYL
mailmerges
make good play
Mamantel
medium-term liabilities
microprogrammed implementation
mirror polishing
mode of occurrence of element
monobloc roging
monogenetic dye
morphetic
motor control center
nested processor
netelle
open center
operation rationalization
pawlicki
Ponoka
porous ebonite
practice run
Presb
safe custody charges
saturex
scfm (standard cubic feet per minute)
seigne
Sellindge
Short-term bond fund
skull crucible
sleep sth off
slip spacing increment
stachyosporous
state appropriation account
Takelout
Ted Shawn
thermal shock time current rating
thread maker
tricuspid valve
ultradeep
verdu
xenobiology