音标:[ˈpɛərənt ˈætəm] ;
[医]母原子

parent atom的用法和样例:

例句

  1. Conduction of electricity in solids consists of the drift of electrons that have been temporarily detached from the parent atoms.固体中电的传导是暂时离开母原子的电子的漂移所致。

A Century of Memories (1940-1949) On the first Sunday in December 1941, Americans were doing what Americans did on any normal Sunday.

发表于:2018-11-28 / 阅读(290) / 评论(0) 分类 疯狂英语2003年

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In the 1950s, Jim McFarland's grandmother took him on annual train trips from New York to see relatives in the South. And it's time again for StoryCorps, Americans interview each other. We hear their everyday stories and every week we find out how a

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10 A Parent-Teacher Conference GLOSSARY parent-teacher conference a special meeting between a students parentsand teacher when they discuss how well (or poorly) the student is doing in school * At the parent-teacher conference, they found out that th

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By Jerilyn Watson Broadcast: October 23, 2003 This is Steve Ember with the VOA Special English Education Report. Six-million people in the United States belong to 1)parent-teacher associations, or PTA

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英语作文 A good parent-children relationship should be set up on the basis mutual understanding and respect. Parents can not impose their ideas on their children. They should treat their children as independent individual. It is advisable for the

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We have bigger houses and smaller families; more conveniences, but less time; we have more degrees, but less common sense; more knowledge, but less judgement; more experts, but more problems; more medicine, but less wellness. We have multiplied our p

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今天我们要学的词是helicopter parent。 Helicopter parent, 直升机父母?没错。Helicopter parents, like a helicopter, they hover closely overhead, rarely out of reach whether their children need them or not, 这些直升机父母,真的

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We have multiplied our possessions, but reduced our values. We talk too much, love too little and lie too often. We've learned how to make a living, but not a life; we've added years to life, not life to years. We have taller buildings, but shorter t

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LULU GARCIA-NAVARRO, HOST: Who do we become when we lose a parent? That transformation is at the heart of Zinzi Clemmons' novel What We Lose. The central character, Thandi, grapples with the loss of her mother to cancer, a woman she revered but often

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英语中表示倍数减少的表达方法(一)a is n times as small (light,slow,)as b. a is n times smaller (lighter, slower,) than b. 以上两句均应译为:a的大小(重量,速度,)是b的1/n[或a比b小(轻,慢,)(n-1)/n]. e.g

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Being a parent is the biggest responsibility we can have in our lives. Its scary if you think about it. You have to look after a tiny baby for years and years. It is your duty to make sure that little baby grows up into a wonderful, happy and respons

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Fortunately more sober types were at work elsewhere. In 1808, a dour Quaker named John Dalton became the first person to intimate the nature of an atom (progress that will be discussed more completely a little further on), and in 1811 an Italian with

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今天我们要学的词是helicopter parent。 Helicopter parent, 直升机父母?没错。Helicopter parents, like a helicopter, they hover closely overhead, rarely out of reach whether their children need them or not, 这些直升机父母,真的

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1.心事重重 some thing weighs heavily on ones mind The boss is quite down these days. He seems to have something weighing heavily on his mind. 老板这几天沉默寡言,看起来好像是心事重重的 2.苦苦哀求 press ones suit She press

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学英语单词
additament
albrow
ANDING
arc cotangents
aspartine
avante-garde
BB (ball bearing)
beat-age
bile vessel
bournes
bridge equilibrium
butyrospermum parkil
calcimangite
carpesiolin
carsharing
carve out
Casas de Juan Gil
cebulski
Chiari's disease
chronic nodular chondrodermatitis of helix
coffee-creams
continuity contact
continuous irrigation
copal varnish
corpus ventriculare
Cortex Trachycarpi
crabapple
cultivating hoe
disembody
distributed sort
doigs
Edale
Elmira College
expired appropriation
extra larges
feed preservative
filling in ring
flush off
fostler
gender benders
glass microballoon
graphite cup grease
gross sb out
Haddamite
hanged up
harriar
hypoxylon vogesiacum microsporum
inthrallment
jibingly
knight-head
knocking dead
Knox, Henry
LC (load cell)
line flyback
lower third molar
marine radioactivity
medium scale program
minimum search
nanofibre
Narammale
offstand
operations researcher
orthogonal square
otostigmus aculeatus
oxyphilae hylo-geophytica
parachloromercuribenzoate
parten
piezoeffect
PMEE
pollinivores
postterga
Progne
pseudoaposematic
public discussions
radiological contamination
re-sworn
reckless investment
reperforator switching center
restoration time after system failure
returned sand
rhabdomeres
schooner brig
self channeling
self-oscillating system
sir walter raleghs
speak in dispraise of
stouter
strond
succession to the family headship
Thymine-Uraciluria
tribological
turbogenerator (t/g)
violent profits
vrbaite
wage structure
water pressure drive
watermarked
whip out
White Legend
white sapotes
workmen's-compensation
yumper