The main precursor to plastic is a byproduct of petroleum refining called hydrocarbon gas liquids.

塑料前身是石油提炼副产品，被称为液化烃气。

The final piece of the battery puzzle came from the lab of Akira Yoshino in Japan, who found that lithium ions could also slip in and out of petroleum coke, a carbon-rich material derived from oil refining.

电池最后难题吉野彰实验室得到解决，他发现锂原子同样可以自由出入于石油焦，一种从石油中提炼出来富碳物质。

They're refining the printing technology and studying coral behaviors to prepare for their next installation, where paying companies can adopt a reef tile and follow its progress.

他们正改进打印技术，研究珊瑚行为，为下次安置粘土瓦做准备。其他付费可以认领一块礁石并跟踪其变化。

We must keep honing and refining until we find that noun, verb or adjective.

我们必须不断地推敲，直到找到这个词为止。

Despite the past glories, Dehua craftsmen never stop refining their skills.

德化白瓷艺术历久弥新，有赖于德化工一直以来对于技艺追求精益求精。

Extracting, processing and refining these types of minerals can be very expensive and time-consuming.

开采、加工再提炼这些矿物成极高，还非常费时费力。

Gelder is vice president of refining at consulting company Wood Mackenzie.

盖尔德是咨询Wood Mackenzie炼油业务副总裁。

I spent a lot of time refining the forms.

我花了很多时间来完善这些造型。

But mining and refining lithium can threaten the natural environment and contribute to pollution.

但开采和提炼锂会危害自然环境，造成污染。

Well again, we've got to be careful about refining this.

同样 我们得谨慎提炼这些理论。

That includes refining the gas, also transporting it and the profits for those companies.

这包括提炼与运输汽油以及这些利润。

Rockefeller targets a byproduct of refining oil that for years has been thrown away.

洛克菲勒看准了炼油中一种副产品 很多年来 它都被当成废物丢掉。

It's a cycle, meaning you're constantly refining.

这是一个循环，意味着你需要不断改进。

So it's a process of training again, refining images here.

因此，这是一个再次训练过程，旨精炼图像。

The Iranian Petroleum Minister says the country has started refining its crude oil in Venezuela.

伊朗石油部长表示，该国已经开始委内瑞拉提炼原油。

As of 2021, there are a total of 31 petroleum refineries in Texas, largely concentrated around the Gulf Coast, that collectively account for about a third of America's entire crude oil refining capacity.

截至 2021 年，德克萨斯州共有 31 家炼油厂，主要集中墨西哥湾沿岸地区，其炼油能力约占全美炼油能力三分之一。

The Australian government says it's refining the under watersearch area for the missing Malaysian airliner MH370 which disappeared last year with 239 people on board. From Sydney we get more details in this report from Jon Donnison.

澳大利亚政府表示称，将加大对马航MH370水下搜寻力度，该航班于去年失事，239名乘客下落不明。请听乔恩·尼逊为您从悉尼发回报道。

The country will stick to its strategy of preventing imported infections and domestic flare-ups while refining its virus containment measures by stepping up the capabilities of port cities, intensifying studies into virus mutations and continuing the mass vaccination campaign.

中国将坚持外防输入、内防反弹，不断优化完善防控措施，加强口岸城市疫情防控，加大对病毒变异研究，持续做好疫苗接种工作。

It is a comprehensive toolkit featuring a decision flowchart to navigate ChatGPT's usage, checklists for refining AI content, and an in-depth guide with over 100 prompts to enhance your workplace productivity.

这是一个全面工具包，包含指导 ChatGPT 使用决策流程图、优化 AI 内容清单以及包含 100 多个提示深入指南，以提高你工作效率。

After this classification happened, we have the possibility to focus our efforts on refining the surface of the model, leading to a significant improvement in the execution time of the algorithm.

分类之后，我们可以集中力量将模型表面细致化，使得算法执行时间方面有了极大改善。