They are close in age.

他们年龄相仿。他们年龄相仿。

youdao

More aggression among kids close in age, as well as increased chronic stress among the caregivers.

孩子如果年龄相近会更容易互相攻击，而无形中也增加了父母很多的压力。

youdao

The children are close to each other in age.

这些儿童彼此的年龄很接近。

《牛津词典》

Even white dwarves that are close in age to that of the universe still retain their heat.

FORBES: White Dwarfs May Hold The Key To Finding Alien Life

Gore is also close in age and ideology to his boss.

CNN: Vital Stats

The defense came close to arguing that, in the age of hedge funds and electronic communications, everything is public and nothing can be proved material that insider trading cannot exist.

NEWYORKER: A Dirty Business