Try to add and extend the knowledge and understand how you can preserve food by doing the CO2 or copper oxide.

尝试去增加和扩展这个知识，去理解如何使用CO2或氧化铜来保存食物。

youdao

It has been found that storytelling is an interesting and effective way for children to acquire knowledge and understand the surrounding world.

故事是孩子们喜闻乐见的一种增长生活知识和了解周围世界的有趣形式。

youdao

Dilution of others may affect the outcome. Try to add and extend the knowledge and understand how you can preserve food by doing the CO2 or copper oxide.

所以经过稀释，也许会反映在结果里，去理解透过CO2或是氧化铜甘斯保存食物，试着多做实验以延续或是增加这个的知识。

youdao

"I can understand that people who actually lived at that time, in the communist era, who were hurt by this system it might upset them to see young people who might have basically no knowledge about this system and didn't live in that, wearing the symbols they don't understand.

VOA: standard.2009.12.16

They celebrate their employees' ideas, knowledge and commitment, and they understand they must be both bold and kind to attract talent.

WSJ: Effective Management Lies in Relationships

But it raised concerns about the electronic counting system used in London, including the advanced technical knowledge needed to understand and scrutinise the system and errors in transmitting results to the central collation area at City Hall.

BBC: 'More notice' call for elections

The pop-up book is a guide to the natural world, and gives children the knowledge to explore the environment and helps them to understand how humans make use of plants.

BBC: NEWS | Science/Nature | Electric book wins science prize