between servant

例句：

1. 1. The cat is between the chairs.
   那只猫在椅子之间。
2. 2. He was born between 1950 and 1960.
   他出生于1950年到1960年之间。
3. 3. They were both between 20 and 30 years old.
   他们两人都20到30岁之间。