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Helium is a very light gas.是什么意思？

Helium is a very light gas.

氦是一种非常轻的气体。

相关词汇
helium is very light gas

helium

n. <化>氦；

is

vt.& vi. 是（be的三单形式；n. 存在；

very

adj. 很，非常，恰好是，正是，十足的，特有的；adv. 很，非常，充分，完全；

light

n. 光，发光体，电灯，点火器；adj. 轻的，明亮的，浅色的，少量的；v. 点燃，照亮，用光指引；adv. 轻地，轻装地；

gas

n. 气体，[矿业] 瓦斯，汽油，毒气；vt. 加油，毒（死）；vi. 加油，放出气体，空谈；int. 该死！（令人气愤的人应即被送毒气室处死）；
热门例句
He acknowledged publicly that he might have made a mistake.
他当众承认自己可能犯了个错误。
...the spiralling vortex airflow that slows the plane.
使飞机减速的螺旋形气流涡旋
You just go on ahead. I'll come by later...
你只管先往前走。我随后就来。
He who spares his rod hates his son, But he who loves him chastens him early.
24不忍用杖打儿子的,是恨恶他;疼爱儿子的, 趁早管教.
For further information, please contact 414 3925, extension 2253.
详情请致电414 3925,转分机2253。
Baroness Thatcher's claims seem credible to many.
撒切尔女男爵的主张在很多人看来是可信的。
He sat there while I made the case for his dismissal...
他坐在那儿，听我陈述解雇他的理由。
Nothing to be got without pains but poverty.
一份耕耘，一份收获。
This decree obliges unions to delay strikes.
该法令迫使工会推迟罢工。
The right to demand payment from the endorser of a commercial paper when the first party liable fails to pay.
追索权当有支付义务的第一方不能支付时，可以向商业票据的背书人要求支付的权力。
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We need more young scientists to fill the gap left by a wave of retirements expected over the next decade...
我们需要更多年轻的科学家来填补预计未来10年退休高峰带来的人才缺口。
Diesel cost 60p/gal in some places.
在有些地方，柴油卖到每加仑60便士。
...forecasts of fierce gales over the next few days.
预报未来几天有超强大风
Try gargling with salt water as soon as a cough begins...
一开始咳嗽就马上试着用盐水漱口。
This was greeted with gales of laughter from the audience.
观众对此报以阵阵笑声。
...a garrulous old woman.
喋喋不休的老妇人
...a gangly youth dressed in jeans and trainers.
穿着牛仔服和运动鞋、瘦高又笨拙的几个年轻人
At the sink, Neil noisily gargled something medicinal.
尼尔在洗脸池边用某种药液咕噜咕噜地漱口。
In the days before domestic gadgetry and time-saving appliances, food preparation took up most of the day.
还没有家用小器具和省时的家用电器的时候，准备食物得花大半天时间。
Marcello sat on his knee and gabbled excitedly...
马塞洛跪坐在地上，激动地哇哩哇啦地说着。
...a gala evening at the Royal Opera House.
在皇家歌剧院举行的盛大晚会
...a gag about policemen giving evidence in court.
关于警察在法庭作证的一则笑话
Reserve some watercress for garnish.
留点豆瓣菜作配菜。
He had never been afraid of failure: he was a gambler, ready to go off somewhere else and start all over again.
他从来都不害怕失败：他是个冒险家，随时准备到别处从头再来。