分子量的用法和樣例：
例句
-
果膠任一種用于凝結各種食物、藥品和化裝品的高分子量且溶于水的膠質(zhì)碳水化合物，存在于如蘋(píng)果、杏和葡萄等成熟的水果中
Any of a group of water-soluble colloidal carbohydrates of high molecular weight found in ripe fruits, such as apples, plums, and grapefruit, and used to jell various foods, drugs, and cosmetics.
