1、The battleship approached the combat zone under a cover of fighter planes
戰(zhàn)艦在戰(zhàn)斗機(jī)的掩護(hù)下駛近戰(zhàn)區(qū)

2、The battleship approached the combat zone under a cover of fighter planes.
戰(zhàn)艦在戰(zhàn)斗機(jī)的掩護(hù)下駛近戰(zhàn)區(qū)

3、If I die in the combat zone !
如果我死在戰(zhàn)場上！