Growlers are capable of not only finding and disrupting anti-aircraft radar, but also jamming enemy communications.
Growler不但能够发现和干扰防空雷达，而且能够扰乱敌人的通信。
2
Prow and bouldered sea slugged it out all night, a clattering succession of growlers and bergy bits nudged aside, slowly but surely.
船整夜都在浮冰中航行，船侧发出接连的咔哒声，缓慢而清晰。
3
As we buzzed north, following the coast, white dots appeared in the water: first growlers, then small icebergs, and at last a mush of half-melted sea ice.