同根派生 英汉例句They are dragging a net in fishing.他们正在拖网捕鱼。Once when you were casting a net in the freezing water with three fishermen from Burqin, you caught a twenty-kilo catfish.你曾经和三个布尔津城来的打鱼人在冰水中拽着一张拖网，打上来一条二十公斤重的大鲇鱼。