They had endured endless waiting - punctuated by salvos of Covenant plasma and laser fire.

他们忍受了无穷无尽的等待——不时被圣约人的等离子和激光火炮打击。

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State Wildlife Officers are firing salvos of firecracker shells, rubber bullets, and underwater charges to drive off a herd of about a hundred sea lions.

NPR: Large Sea Lion Population Threatens Fishing

The first salvos of any war are seldom the most destructive.

CENTERFORSECURITYPOLICY: On the War We Are Now In

In response, Gingrich said his attacks were only the initial salvos of an all-out assault on the issue that Romney would face from the Obama campaign if he became the nominee.

CNN: Both sides using Rove's campaign strategy this year