一种图案具有特定的密集度，被归为“密集”类，另一类图案的密集程度不同，但都比第一种的密集程度低。

One type of pattern was of a specific density and was to be classified as dense, while the second type of pattern could vary in density, but was always less dense than the first one.

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Perkin 很快意识到他的紫色溶液可以用来给布料上色，从而使其成为世界上第一种合成染料。

Perkin quickly grasped that his purple solution could be used to colour fabric, thus making it the world's first synthetic dye.

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亚里斯多德曾把勇气称为第一种美德，塞缪尔·约翰逊则称之为最伟大的德行。

Aristotle called courage the first virtue, and Samuel Johnson called it the greatest.

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Scholars have proposed three possible models to explain the formation of Israel. The first is an immigration model.

学者们提出了三种可能的模型,来解释以色列的形成，第一种是移民模式。

耶鲁公开课 - 旧约导论课程节选

In the first account in Genesis 1, The creation of human is clearly the climactic divine act: after this God can rest.

在《创世纪》第一章中的第一种描述，人类的创造是上帝最具神性的行为：,在此之后神便可安息。

耶鲁公开课 - 旧约导论课程节选

There are hereditary principalities, like those currently run by Lorenzo, which acquire their authority through tradition and hereditary bloodlines.

第一种是世袭君权，像是由罗伦佐所掌管的候国，其威信的获得,来自传统与世袭血源。

耶鲁公开课 - 政治哲学导论课程节选