我们只是坐了一会,聊了大约半小时.We just sat and talked for half an hour or so.史蒂夫在前半小时里没说几句话.Steve barely said a handful of words during the first half hour.他迟到了半小时.He's a half hour late....
Prawn aquaculture is the industry of important economy pillar of Asia area.对虾养殖业是东南亚地区的重要经济支柱产业.Development of aquaculture offers another means of supplying man with fish protein.水产养殖业的发展为人类获取鱼蛋白提供了另一种手段.The aquaculture ...