1.The monkeys were split up into five groups of nine.
split up(使)分成若干小部分
Her company has had to split up and work from two locations.
她的公司不得不被拆开,分在两处办公 。
2.This meant she was the "new girl" and was at the bottom of the group.
at the bottom of在…的底部
She lay at the bottom of the stairs, whimpering in pain.
她躺在楼梯底部,痛得呜咽着 。
3.Professor Graham Rook, from University College London, told the BBC News that the findings of the study may also apply to humans.
apply to适用于
The convention does not apply to us.
这条惯例对我们不适用 。