Pectin
n. 果胶\\n[化] 果胶
📖 牛津释义
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
Grandpa taught me.
爷爷教我的。
Old vessels must leak.
旧船必漏。
A recent survey of the effects of noise revealed (surprisingly?) that dogs barking incessantly in the night rated the highest form of noise pollution on a scale ranging from 1 to 7.
最近一个有关噪音的作用的调查（令人吃惊地）指出，夜间连续不断的狗叫声，在一个从1级至7级刻度表上应列为最严重的噪间污染。