同根派生 trawl net相关词英汉例句They are dragging a net in fishing.他们正在拖网捕鱼。In trawl fishing, huge nets are slowly pulled below the water to collect fish.拖网捕鱼时，巨大的网被缓缓地在水下拉过以捕捉鱼群。trawl net更多例句