pectin
n[U]
(chemistry 化) substance similar to sugar that forms in some fruit when ripe and causes jam to set 果胶.
🗣️ 情景例句
You look very young. How old are you?
你看起来真年轻, 你多大了?
Money burns a hole in his pocket.
钱到袋里留不住。
Despite the fact that the bottle is tinted a delicate shade of green, an observant visitor would soon notice that it is filled with what looks like a thick, grayish substance.