槭糖浆是用糖槭树中提取的树液制成的。

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

《牛津词典》

蓝色染料是从靛蓝植物中提取的。

The blue dye is obtained from the indigo plant.

youdao

直到大约1900年，蓝色还原染料都是从靛蓝植物中提取的。

The blue vat dye obtained until about 1900 entirely from some species of the indigo plant.

youdao

There they are. And, when they are named, they are named by suggestion by the scientist who have isolated them.

它们在这，当它们被起名的时候，是由科学家们建议的,那些提取它们的科学家。

麻省理工公开课 - 固态化学导论课程节选

So you hear about the Omega-3 fatty acids coming from seafood and these tend to be protective against diseases.

你们应该听过海鲜中提取的ω-3脂肪,这种脂肪能抵御多种疾病

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

It's deliberate that a lot of the examples in lecture are fairly short and bite-size so that you can actually focus on pulling out the key ideas without getting distracted by line and lines of code.

很多的演讲中的例子,是短小的,因此你们可以集中于提取其中的主要思想,而不是被一行行的代码给分心。

哈佛公开课 - 计算机科学课程节选