agar-agar瓊脂洋粉學術名詞瓊脂:植物學、化學術語、畜牧學、化學、化學工程、細菌免疫學洋菜:植物學、化學術語、畜牧學、化學工程、海事英文釋義a colloidal extract of algae; used especially in culture media and as a gelling agent in foods