时间:2019-01-10 作者:英语课 分类:与美国小学生一起学英文第10册


英语课

 Proteins 蛋白质


What is protein? 什么是蛋白质?
It is one of the most important nutrients 1, animals need. 它是一种动物所需的最重要的营养物质。
People really need a lot of protein. 人们需要大量的蛋白质。
Protein helps a person to grow cells in muscles. 蛋白质有助于人们肌肉内细胞的生长。
Without protein, we cannot stay healthy. 没有蛋白质,我们就不能保持健康。
Eating protein is important. 食用蛋白质很重要。
However, we should not eat too much protein. 然而,我们不应该吃得太多。
Do you know why? 你知道为什么吗?
Because our bodies cannot store protein. 因为我们人体不能储存蛋白质。
Instead, our bodies change a new protein into fat. 相反,我们的身体会把新的蛋白质转化成脂肪。
Therefore, we must have a balanced diet. 因此,我们要有均衡的饮食。
Where do you think we can get protein? 我们从哪儿能获取蛋白质?
We can get protein from meat, fish and beans. 我们可以从肉类、鱼类和豆类中获取蛋白质。
They're major sources of  protein. 它们是蛋白质的主要来源。
 

n.(食品或化学品)营养物,营养品( nutrient的名词复数 )
  • a lack of essential nutrients 基本营养的缺乏
  • Nutrients are absorbed into the bloodstream. 营养素被吸收进血液。 来自《简明英汉词典》
标签: 小学英语
学英语单词
accce
aeroseal
agency broker
amplitude modulated light
analytic technique
anti-free-radicals
area operations
ato
bambusaspis miliaris
biometric verification
bogazi
burning spray
butylated urea resin
Cabinet Gorge Dam
ceom
come to the party
compensation doping
conflict of applications
continuous strand annealing
cream dipper
cross-wind
cryptonyms
cut-open view
diethylstilboestrols
electrodynamic vibration machine
end ring spring
ETE estimated time of enroute
existence verification
fasciculi proprii medullae spinalis
fish stall
Fortune Magazine
Galeorhinus zyopterus
gazzaniga
German band
guaiacuran
half-way through
Hall, Chester Moor
Hattuvaara
ida canvas
infra-red furnace
intragastrical
ionization fission chamber
k-standard load
kayagum
landing nets
lightvalve
ligula
lionfish
loading lifting mechanism
logical data number
logistic evaluation and review
low-frequency radio range (lfrr)
Machilus dumicola
merrythought
mezza voce
microbial desulfurization
millainer
MIUI
net paste
oakwell
oilfield life
oologically
original cost method
periosteal
pilloweth
pitch down (ward)
plant fill in gaps
pole tips
posterior ligament of fibula head
quisqualis
R.hoofshaped
rear axle tie rod
recourse mechanism
register-quad
rock maples
ronchal
Salix macroblasta
security of employment
self adjoint
self excited alternator
seniorest
shrinkage control
siouanest
solvent refining
somatometric
ST_business_advertising-marketing-and-merchandising
straught
synchronous protective
take hard
teleasat (telecommunications satellite)
telecurie therapy unit
television seeker
thin bid
thyroid cyst
to crucify
transformational rules
true cedar
tube filter
unimpedible
vox nihili
wireless-controlled
Y engine