Maple syrup is made from sap extracted from the sugar maple tree.

槭糖浆是用糖槭树中提取的树液制成的。

《牛津词典》

In Quebec, each time, people loving maple syrup gathered here, having fun in the local "maple sugar house".

在魁北克，每到此时，喜欢枫糖浆的人就云集这里，去当地的“枫糖小屋”过过瘾。

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That quart of maple syrup on your table was boiled down from roughly 10 gallons of SAP from a sugar-maple tree.

你餐桌上的一品托槭糖浆需要由糖槭树排出的十加仑的树液熬制而成。

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The sweet,golden syrup is made from the sap harvested in spring from Vermont's sugar maple trees.

VOA: special.2010.10.25

This month, students are making their own sugar and maple syrup.

VOA: special.2009.04.14

Birch sap overall has a much lower sugar content than maple syrup, however.

WSJ: Birch syrup explored as add-on to maple industry

Incidentally, it is also a popular region in which to visit one of Connecticut's sugar houses, producing Connecticut's famous maple syrup.

BBC: A Fall foliage tour of New England