孩子们根据年龄段被随机分成两两一组。

Children were randomly divided into pairs by age-group.

youdao

整个班两两一组的工作。

The class was working in pairs.

youdao

有时候我们也会两两一组的读书，这样9年级的学生可以帮助我读一些比较有难度的书。

Sometimes we read books in pairs. Students in Grade 9 help me read difficult books.

youdao

I will randomly pair your form with another form and neither you nor your pair will ever know with whom you were paired.

我会随机把你们分成两两一组,你们不知道会跟谁分到一组

耶鲁公开课 - 博弈论课程节选