The differences between the groups and the similarities within each group made it seem certain to most biologists that the tree of life had only two stems.

类群之间的差异和每个类群内部的相似性使大多数生物学家确信，生命之树只有两个树干。

youdao

She had a group of students who cared about her and each other, and that was probably the best thing she could ever hope to find in her life!

她有一群既关心她，也关心彼此的学生，这可能是她一生中希望能找到的最好的东西！

youdao

In the primary group come the necessities of life: food and shelter and clothing.

第一层次来自于对生活的基本需求，包括食物、住所、衣服。

youdao

Among the project's findings is one that a group of Antarctic islands are richer in animal life than the world famous Galapagos Islands.

VOA: special.2009.01.13

Such individuals will subordinate their own desires and pleasures to the group, and live a life by a strict code of honor.

这种个体,会将自己的欲望与愉悦,放到团体之后，过着一种严格遵守荣誉规范的生活。

耶鲁公开课 - 政治哲学导论课程节选

And there's always a group of people who think, yes, life on the experience machine is perfect as long as you've got the right tape playing.

而且总是会有一些人认为，没错，体验机器里的生活十全十美,只要你放对了带子。

耶鲁公开课 - 死亡课程节选

As childhood gives way to adolescence and that to manhood this kind of boy tends to be progressively cut off from the ordinary life of his group .

UNESCO: The Uses of Richard Hoggart

The memory of this event remained engraved in Josiah's memory until the end of his life: the huddled group of anxious slaves, the crowd of bidders, the clinical examining of muscles and teeth, his mother's raw fear.

NPR: A Radical History of the Underground Railroad

And soon the report of our Quality of Life Policy Group will make another significant contribution to that whole debate.

BBC: NEWS | UK | UK Politics | In full: Cameron speech