时间:2018-12-31 作者:英语课 分类:英语听力文摘 English Digest


英语课

 


 In the 1960s, during the earliest space flights, no one knew exactly how weightlessness would affect eating and drinking.


 
  Would food fly off a plate? Would astronauts have digestive problems, with no gravity to help things along the digestive system? The first astronauts ate rather unappealing food pastes squeezed directly into the mouth from toothpaste-like tubes. Yuck!

  Today, astronauts eat a variety of foods like steak, shrimp 1 cocktail 2, strawberries and butterscotch pudding. Each food is made as appetizing and simple to prepare as possible. Steak, for example, is cooked here on earth and sealed into a reheatable pack. Strawberries are freeze dried, keeping their shape and texture 3 when they’re rehydrated. It’s easy to get water in space, because the fuel cells that supply electricity for spacecraft produce water as a byproduct.
 
  Containers of food have to be taped, magnetized, or velcroed to trays, and astronauts usually dine with foot restraints on-unless they feel like floating around! There’s usually enough liquid surface tension to keep food in its container, but bump a plate or fork, and watch your dinner drift away!
 
  Liquids are even trickier 4. Juice won’t pour out of a container, but simply stays inside. If you shook it out, little globs of juice would fly everywhere! That’s why liquids are squirted directly into the mouth or sucked in with a straw from a sealed container. Once food is in the mouth, there’s no problem swallowing or digesting.

 



n.虾,小虾;矮小的人
  • When the shrimp farm is built it will block the stream.一旦养虾场建起来,将会截断这条河流。
  • When it comes to seafood,I like shrimp the best.说到海鲜,我最喜欢虾。
n.鸡尾酒;餐前开胃小吃;混合物
  • We invited some foreign friends for a cocktail party.我们邀请了一些外国朋友参加鸡尾酒会。
  • At a cocktail party in Hollywood,I was introduced to Charlie Chaplin.在好莱坞的一次鸡尾酒会上,人家把我介绍给查理·卓别林。
n.(织物)质地;(材料)构造;结构;肌理
  • We could feel the smooth texture of silk.我们能感觉出丝绸的光滑质地。
  • Her skin has a fine texture.她的皮肤细腻。
adj.狡猾的( tricky的比较级 );(形势、工作等)复杂的;机警的;微妙的
  • This is the general rule, but some cases are trickier than others. 以上是一般规则,但某些案例会比别的案例更为棘手。 来自互联网
  • The lower the numbers go, the trickier the problems get. 武器的数量越低,问题就越复杂。 来自互联网
标签: 听力文摘 斑马
学英语单词
a certain amount of
addition formula
advise shipping date
aerobraked
aquations
arteriolovenular bridge
axleless
beat reception
bed box
black bourton
bomb-release
bouriez
brave new worlds
Camellia hongkongensis
Caofeidian
Clegg
clothes hampers
coincidence circuit
combustion flame
core principle
Curnamona
dark-room camera
dyslipidaemic
eczema scroti
ejection type wind tunnel
eleventh hours
enoyl reductase
face-powder
fortified whole egg
fountain water
four-channel time division multiplex
four-wheeled tractor
French Canadian
gahmens
gigglier
glareous
goldney
gonosetae
guided discharge
headcleaners
Hesse, Hermann
Hodgkin, Dorothy Mary Crowfoot
Horvi-rana
internal absorbance
isarns
Kpéré
l-phenyl-2-aminopropane
laser file
lem
lemic
load carrying member
logic product
m.m
macweeks
Malyy Nimnyr
Massacre of the Innocents
maximum whole body dose
multilevel schema
Naeha-dong
national wealth
nicholas terrace
Ningestine
no-load discharge
non-impact vibrator
NP-
ogikvie's syndrome
on board station
one - address instruction
photo-multiplier
pivot pier protection
Portuguesely
pressure tube anemometer
resolve
resting period
reversible permeability
rheological coefficient
roading diagram
sedimentation joint
share the joys and sorrows
shou hsing tui
silkworm breeding
sixteenths
sma connectors
spatter shield
special flour bag
sportingly
SSGN
steam jet air ejector
sunworld
system dealer
take sb.'s mind off
third party complaint
toposaic
trago
translational coordination
Tricom
ugly rumour
variable levies
water baffle
water exit
wave-making resistance
yeahhhh