They climb aboard Chinook and Blackhawk helicopters while assault Apaches provide cover overhead.

在上空阿帕奇直升机的掩护下，他们爬上了切努克和黑鹰直升机。

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Backed by the U.N.account, Israeli troops returned to the border area on Wednesday and continued pruning trees and bushes which could provide cover for terrorists.

VOA: standard.2010.08.04

They also set new rules for insurance companies and provide subsidies to some Americans to help cover the cost of coverage.

VOA: standard.2009.12.25

Like when the cadets fail to provide cover for one another during the search.

NPR: Iraqi General Works to Transform National Police

Midwives say the shortage means many have to work double shifts to provide cover.

BBC: 'Dispirited' midwives issue warning

The pact obliges insurers to provide cover for high-risk properties while the government continues to improve flood defences.

BBC: 200,000 homes 'at flooding risk'