We started trading with the informal recyclers, we started training them to segregate the materials based on our quality specifications.

我们开始与非正式回收商进行交易，我们开始培训他们根据我们的质量规格对材料进行分类。

The same Thomson Reuters report I told you about earlier says that by 2025 biodegradable materials based on cellulose will replace plastic packaging for all purposes.

到2025年，可降解的生物纤维素材料将代替各种用途的塑料制品。

Membranes have been around for a number of years, and they're based on polymeric materials that separate based on size, or they can separate based on charge.

膜已经存在很多年了，它们基于根据尺寸分离的聚合材料， 或者它们可以根据电荷分离。

With this in mind, he tested a superhydrophilic material based on a substance called polydopamine, which he knew from previous work binds to a range of materials including plastics, metals and ceramics.

考虑到这一点，他测试了基于一种物质（贻贝）的聚多巴胺超亲水材料，他从之前的工作中知道，这种物质可以与塑料、金属和陶瓷等一系列材料结合。

Some think creating your own material based on what you want to learn may activate your semantic memory, which is the general world knowledge that we have accumulated throughout our lives, such as facts, ideas, and concepts.

有些人认为根据你想学的东西创造你自己的材料可能会激活你的语义记忆，这是我们一生中积累的一般世界知识，如事实、想法和概念。