为了保护证人，警方将他秘密隔离在一个安全屋里。

To protect the witness, the police are ___sequestering him in a safe house.

由于未能偿还贷款，银行依法扣押了他的房产。

The bank is ___sequestering his property due to unpaid loans.

森林在吸收和储存二氧化碳方面起着重要作用。

Forests play a vital role in ___sequestering carbon dioxide.