Microbiologists have been growing microbes on agar plates for nearly 150 years, but agar’s discovery dates back to a happy accident in a mid-17th-century kitchen. Legend has it that on a cold winter day, a Japanese innkeeper cooked tokoroten soup, a Chinese agar seaweed recipe known in Japan for centuries. After the meal, the innkeeper discarded the leftovers outside and noticed the next morning that the sun had turned the defrosting jelly into a porous mass. Intrigued, the innkeeper was said to have boiled the substance again, reconstituting the jelly. Since this discovery, agar has become a staple in many Japanese desserts, from yokan to anmitsu.
在 Tbox 文档里粘贴为 Mermaid 代码块（Markdown 里用 mermaid ... ）。，这一点在im钱包官方下载中也有详细论述
。业内人士推荐快连下载安装作为进阶阅读
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В 2026 году мировой рынок смартфонов ощутит самое сильное падение в истории. Об этом говорится в отчете International Data Corporation (IDC).，更多细节参见同城约会