英语翻译Around1749,"buckingandcrafting",i.e.treatmentwithalkalifollowedbymildacid(suchassourmilk)wasintroduced.这句...我完全不明白"buckingandcrafting"是什么意思.请高人帮忙翻译下```

Question

英语翻译
Around 1749,"bucking and crafting",i.e.treatment with alkali followed by mild acid (such as sour milk) was introduced.
这句...我完全不明白"bucking and crafting"是什么意思.请高人帮忙翻译下```

Answer 1

1749左右,"材和工艺",即碱处理后轻度酸(如酸奶)推出.
bucking and crafting是 材和工艺