短语词组短语Dragon boat contest fast 龙舟竞速The boat was fast aground 小船搁浅了fast boat 快艇;飞舟quiet fast boat 无噪音快艇FAST BOAT TO CHINA 飞速发展的中国经济;当产业都外移中国之后fast rescube boat 救生艇fast patrol boat 巡逻快艇;快速巡逻艇fast despatch boat 快速艇 返回 boat fast