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
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-nese
1-naphthylamine hydrochloride
abjustment
Abū Rubayq
alkalinizations
amocarzine
arctic region
autocompounded current transformer
ayyub
azatropylidene
backlog depreciation
be enveloped in
beaumontoside
by right of something
chatham str.
cold dishes
conforming imputation
contingent transaction
cross tolerance
customerinquiry
dative sickness
dehorted
delay set counter
die arrangement for continuous compaction
direct-axis transient voltage
direness
dollar value at point of exportation
doublepressing
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dropping vessel
dry salted fish
duty of assured clause
ecosophers
ego trip
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face masks
faint with
femaleless
fire-bucket
flexible shaft coupling
foredated
getting away
halmyrogenic
instantaneous cut
integrand
Kaschau
kinorhyncha
kiwifruit
lecturin'
lithophile element
local transaction program
Louis III
magnetic device
measure of transcendence
mileage recorder
militarus
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myohypertrophia kymoparalytica
naphthalene poisoning
octal indication
open future
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period-to-date quantity adjusted
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phlebodium aureums
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proximal point algorithm
puccinia noli-tangere
Pull your chain
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Saxifraga divaricata
semipolitician
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single shot trigger
single-sideband
sinopontius aesthetascus
sizing roller
soft snap
spooneristic
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tetanic induced current
TLC-scanner
trentepholia (mongoma) pennipes
Truth In-lending Act
undercut slope
unimanual palpation
unshunned
vibratory hopper feeder
welders' siderosis
with (an) effort
Zǎbrani