正是这位军官命令巨型离子炮向逼近的歼星舰开火，为撤离的义军运输船提供掩护火力。

It was this officer who ordered the massive ion cannon to fire at approaching Star Destroyers, offering cover fire for escaping Rebel transports.

youdao

积极分子说，包围Deir al - Zour的坦克在黎明召唤祈祷的铃声中开始开火，随后在重火力的掩护下进入几个地区。

Activists said tanks ringing Deir al-Zour opened up with shellfire during the early morning call to prayer, then moved into several districts under the cover of heavy gunfire.

youdao

好，火力掩护。

Okey, covering fire.

youdao