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Is that box made of tin or steel?

这个盒子是还是铁做?

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An impure oxide of cobalt, used to produce a blue color in enamel and in the making of smalt.

绿蓝色颜料,主要由钴和氧化

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Objective:To develop a GC-MS approach for the determination of tripropyltin(TPrT),tributyltin(TBT) and triphenyltin(TPhT) in fish.

建立水产品中三丙基、三丁基和三苯基气相色-质(GC-MS)分析方法。

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The lead content gives terneplate a dull appearance, a noncorrosive surface, and solderability.

融入使镀铅钢板具有暗淡外观、表面和可焊接

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Cu-Sn alloy coating with different Sn content can be replacement plating out on iron and steel surface in a solution comprising of copper sulfate, stanous sulfate, complexant and stabilization agent.

铁件在由硫酸铜、硫酸亚锡、络合剂、稳定剂等溶液中,可以置换镀覆不同质量分数铜- 合金镀层,其工艺可替代氰化预镀铜,消除氰化污染,是实现电镀清洁生产措施之一。

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coronoid, coronoid process, coroplast, coroplasty, corotate, corotation, corotron, corotte, coroutine, corozo,

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3G, 401(K), a,

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世界小史

That metal is tin, and a mixture of tin and copper is called bronze.

这种金属就是,而铜和混合物就叫做青铜。

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当月 CNN 10 学生英语 2019年9月合集

Cornish tin's future also lies in its past.

康沃尔未来也取决于过去。

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BBC纪录片《百件藏品话沧桑》

It was often in short supply, because those trade routes were frequently interrupted, on occasion by pirates.

这些路线上海盗猖獗,导致供应常常短缺。

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当月 CNN 10 学生英语 2019年9月合集

Sn is the symbol for tin because the word comes from the Latin term for stannum.

Sn是为这个词来源于拉丁词stannum。

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英国原版小学语文课

Then I will tell you. My friend the coffee-pot is made of tin.

我来告诉你。他由

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VOA常速英语_美洲

See the color of the pewter now it's turning kind of black looking see it?

看到颜色了吗?看起来有点变黑了,看到了吗?

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VOA慢速英语_美国

Watching games there was one of the reasons Witty chose to go to Syracuse.

观看比赛是威蒂选择来到拉丘兹之一。

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日常生活高频词

The house over there has a tin roof.

幢房子, 有个屋顶.

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VOA Special 2013年5月合集

The program at Syracuse is aimed at encouraging greater involvement in Civic life.

拉丘兹这个项目意在鼓励更深入地参与公民生活。

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VOA Special 2022年7月合集

Bonnie accompanies Sielawa to work at her medical business in Syracuse, New York.

邦妮陪同西拉瓦在她位于纽约州拉丘兹医疗公司工作。

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里奇大叔带你欧洲行

Britain was well known as a rare place where tin could be mined.

众所周知,英国是一个罕见可以开采地方。

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科学60秒 听力 2016年7月合集

They synthesized the material from cages of tin and sulfur atoms decorated with hydrocarbon molecules.

他们用烃分子修饰和硫原子合成了这一材料。

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当月 CNN 10 学生英语

And shout out to Franklin Middle School in Cedar Rapids, Iowa, go thunderbolts.

同时也为爱荷华州达拉皮兹市富兰克林中学欢呼。

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【第1册】爆炸密码自然拼读 Explode the Code

Peg is ten. The can is tin.

• 挂钩是十。罐子是

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篷车少年

“Tin dishes to eat out of and tin dishes to cook in, ” said Jessie.

“吃盘子和做饭盘子,”杰西说。

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当月 CNN 10 学生英语

And I've got a shout out going to McKinley Steam Academy in Cedar Rapids, Iowa.

我还要向爱荷华州达拉皮兹麦金利蒸汽学院致敬。

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VOA常速英语_美洲

For Cedar Rapids voter Teresa Kyle, 2020 is all about one issue.

对于达拉皮兹市选民特蕾莎·凯尔来说,二零二零年大选只是一个问题。

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VOA Special 2019年8月合集

It caused his two red ears to stand out stiffly, as if they were made of tin.

这顶帽子让他两个红耳朵僵硬地支棱着,好像们是做成

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跟马修学英语

First, the text was written on metal, a mix of copper and tin.

首先,文字是写在金属上,金属是铜和混合物。

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NPR音讯 2015年7月合集

There was just an elaborate display of tunnels in the capital of his hometown — of his home state, Sinaloa.

家乡罗亚州首府地道设计得非常精巧。

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corpse, corpselike, corpses, corpsman, corpulence, corpulency, corpulent, corpulmonale, corpus, corpus callosum,

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3G, 401(K), a,
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