Sugar and starch are broken down in the stomach.

糖和淀粉在胃里被分解。

《牛津词典》

Most of the food we eat is broken down into glucose, the form of sugar in the blood.

几乎所有我们吃的食物都分解为葡萄糖，血液中一种糖存在的方式。

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What you're supposed to know: Milk (cow, goat, sheep, human . . .) contains a sugar called lactose, which is normally broken down by the enzyme lactase.

必备知识： 奶类（包括牛奶、山羊奶、绵羊奶及母乳等）含有一种叫作乳糖的糖类，它通常由乳糖酶分解。

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These B-cells produce the hormone insulin that regulates the way sugar is broken down in the body.

BBC: Diabetes hormone treatment hope

He wanted the great sugar estates broken up and land distributed to small farmers, who would grow other crops.

ECONOMIST: Antonio Fortich

And certainly not my grandfather himself, the smiling watchman of my earliest memories, the quiet, black-eyed, slender man who held my hand as we crossed the avenues, who sat on a park bench reading his Russian newspaper while I chased pigeons and harassed sugar ants with broken twigs.

NPR: Excerpt: 'City of Thieves'