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Olefin gas closely approximates air.是什么意思？

Olefin gas closely approximates air.

烯空气跟空气十分近似.

相关词汇
olefin gas closely approximates air

olefin

--

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）；

closely

adv. 接近地，紧密地，严密地，亲近地；

approximates

v. 近似，接近( approximate的第三人称单数 )，近似计算，概略估算；

air

n. 天空，空气，空中，神态，曲调；v. 晾干，通风，公开发表，播送；
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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。
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。
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。
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.
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These apertures restrict the amount of light that can reach the detector.
这些光阑将会限制到达探测器的光线的总量.
Mr. Chamberlain had cherished the hope of appeasing and reforming him and leading him to grace.
张伯伦先生则满心想安抚他,感化他,教他温文知礼.
Olefin gas closely approximates air.
烯空气跟空气十分近似.
The hot weather antedated my departure for Beidaihe.
炎热的天气使我提前动身前往北戴河.
He anoints my head with oil.
他用油膏了我的头.
If she apostatized now, having been brought up in the Church, she would go to hell.
即使她这时背叛原来的宗教信仰, 由于从小受的是天主教教育, 她也得下地狱.
This event antedates the discovery of America by several centuries.
这件事比发现美洲早几个世纪.
Two appendixes are affixed : Wuxi Gu's pedigree and chronological table. "
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The antlers moved, as if their owner snuffed on danger.
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In place of the former president the Mayor appoints you as his successor.
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Three aortas are to demonstrate mild, moderate, and severe atherosclerosis from bottom to top.
从下到上依次是轻度 、 中度 、 重度动脉粥样硬化病变.
This event long antedates the arrival of Columbus in America.
这件事的发生远在哥伦布到达美洲之前.
Antihistamines or special baths can help.
抗组胺剤或特殊的沐浴可以有所帮助.