At its heart is a cluster of three deeply embedded young stars, which are each several thousand times brighter than the sun.

它的中心是由3个年轻恒星组成的星系群，其亮度超过太阳千倍。

youdao

By special Lines of Argument I mean the propositions peculiar to each several class of things, by general those common to all classes alike.

我指的论述的特殊方向是专属于几类事项的命题，而一般方向是对各类事项来说都很普遍的命题。

youdao

Each lesson is broken down into several units.

每一课都分成几部分。

《牛津词典》

Another method is to place several cloth bags on top of each other in a box.

VOA: special.2009.09.29

We will probably have several days with one class each city".

我们可能会连续办上几天,每天让一个城市的一个班级参加。

麻省理工公开课 - 媒体、教育、市场课程节选

Actually, if you have more than $100,000 in a bank account you should probably pull it out and spread it around over several banks because each bank is separately insured, so there's effectively no limit if you're just a little bit smart and move your accounts around.

如果你的银行存款远不止10万,你最好把多余的取出,分别存入几家银行,因为每家银行都是独立保险的,因此不存在担保额度,只要你聪明一点,把存款分别存入几家银行

耶鲁公开课 - 金融市场课程节选

The successful algorithm application must work with each of several different camera systems and varying lighting conditions within each environment.

ENGADGET: NASA announces competition to improve Robonaut's sight

He makes all capital expenditure decisions and sends auditors to each division several times a year.

FORBES: Lord of the Rigs

It forms almost perfectly symmetrical "star" dunes, each with several arms extending outward from the summit.

CNN: Romancing the dune in Namibia