atom

高中CET4CET6TOEFL考研

英[??t?m]
美[??t?m]

基本釋義

n.
原子

詞性變化

實(shí)用例句

the splitting of the atom

原子的分裂

牛津詞典

Two atoms of hydrogen combine with one atom of oxygen to form a molecule of water.

兩個(gè)氫原子和一個(gè)氧原子結(jié)合組成一個(gè)水分子。

牛津詞典

A methane molecule is composed of one carbon atom attached to four hydrogens.

甲烷分子由1個(gè)碳原子與4個(gè)氫原子構(gòu)成。

The neutrons and protons form the core of the atom.

中子和質(zhì)子構(gòu)成了原子核.

《簡明英漢詞典》

Alcohol: Organic compounds characterized by a hydroxyl group ( OH ) bonded to a carbon atom.

醇 ( 酒精 ): 是有機(jī)化合物.它是一個(gè)氫氧團(tuán)和碳原子的結(jié)合.

期刊摘選

That cannot get up an atom of sympathy for them.

那并不能激發(fā)起人們對(duì)他們的絲毫同情.

期刊摘選

We hadn't an atom of food.

我們沒有一點(diǎn)食物了.

《簡明英漢詞典》

Matches the previous atom zero or one times, while consuming as little input as possible.

匹配前面的原子零次或一次, 但盡可能少地消耗輸入.

期刊摘選

It'said the implosion had the power of the atom bomb the US dropped on Nagasaki.

據(jù)說,此次核試驗(yàn)的爆炸力相當(dāng)于美國在長崎投放的力量.

期刊摘選

They exploded an atom bomb.

他們爆炸一顆原子彈.

辭典例句

The particles expelled when the atom explodes are protons, alpha rays or neutrons.

原子爆炸時(shí)排出的粒子是質(zhì)子 、 a射線或中子.

期刊摘選

For many years the atom was believed to be indivisible.

在過去有很多年原子一直被認(rèn)為是不可分割的.

《簡明英漢詞典》

The hydrogen atom is lighter and simpler than the atoms of any other elements.

氫原子較之其他任何元素的原子的重量都輕,結(jié)構(gòu)都簡單.

期刊摘選

It makes no sense at all to speak of a stationary electron in an atom.

誰要說原子內(nèi)有一個(gè)靜止的電子,那是毫無意義的.

辭典例句

Methods : The atom absorbing spectrum method atom atomic fluorescence spectrometry method were used.

建立了熒光分光光度法測(cè)定血清中西諾沙星濃度的方法.

期刊摘選

There is not an atom of truth in the rumor.

那謝意毫無真實(shí)性.

期刊摘選

When an atom of U 235 is split, several neutrons are set free.

一個(gè)鈾235原子分裂時(shí), 釋放出幾個(gè)中子.

《簡明英漢詞典》

Hydroformylation of the olefinic atom economic method th introduce new functional group in the oil compounds.

而通過雙鍵的氫甲酰化反應(yīng)引入新官能團(tuán)能為油脂的化工利用提供了一條廣闊的道路.

期刊摘選

The positive charge in the atom is spread over the whole atomic volume.

原子中的正電荷分布在整個(gè)原子體積上.

辭典例句

There's not an atom of truth in what he said.

他所說的沒有一點(diǎn)是真話.

《現(xiàn)代英漢綜合大詞典》

The nucleus of an atom consists of neutrons, protons and other particles.

原子核由中子 、 質(zhì)子和其他粒子構(gòu)成.

《簡明英漢詞典》

The power of the atom can be used to produce electricity.

原子能可以用來發(fā)電.

《現(xiàn)代漢英綜合大詞典》

A molecule of water is made up of two atoms of hygrogen and one atom of oxygen.

一個(gè)水分子是由兩個(gè)氫原子和一個(gè)氧原子構(gòu)成的.

《現(xiàn)代英漢綜合大詞典》

The power of the atom will become still better as time goes by.

隨著時(shí)間的推移,原子動(dòng)力的利用還會(huì)變得更好.

《簡明英漢詞典》

He could not get up an atom of sympathy for her.

他對(duì)她激不出一點(diǎn)同情心.

《簡明英漢詞典》

the splitting of the atom

原子的分裂

《牛津高階英漢雙解詞典》

A molecule of water consists of two atoms of hydrogen and one atom of oxygen.

水分子由兩個(gè)氫原子和一個(gè)氧原子構(gòu)成。

《牛津高階英漢雙解詞典》

A neutron is simply a neutral particle in the nucleus of an atom.

中子就是原子核里不帶電的粒子。

柯林斯例句

He patented the idea that the atom could be split.

他獲得了“原子可以再分”這一概念的專利權(quán)。

柯林斯例句

英英釋義

Noun
  • 1. (physics and chemistry) the smallest component of an element having the chemical properties of the element

  • 2. (nontechnical usage) a tiny piece of anything

同義詞辨析

molecule, atom, particle, speck, grain

這些名詞均有"粒,微粒"之意。

  • molecule: 指物質(zhì)中保持原物質(zhì)的一切化學(xué)性質(zhì),能獨(dú)立存在的最小微粒,即分子。
  • atom: 指元素的最小粒子,其體積比molecule小。
  • particle: 指任何物質(zhì)的微粒,引申指任何小的部分。
  • speck: 一般指"微點(diǎn)"或"微粒",可引申指"斑點(diǎn)、污點(diǎn)"。
  • grain: 通常指能為肉眼清楚看到的顆粒,比上述幾個(gè)詞所表"粒"的體積大。

同義詞

n.原子

monad

其他釋義

moleculecrumbshade

最新英語單詞

行業(yè)英語