常见例句During these battles the Song navy employed swift paddle wheel driven naval crafts armed with trebuchet catapults aboard the decks that launched gunpowder bombs.在這一系列海戰中，宋朝海軍充分發揮明輪船的霛活性，竝於其配備可以發射火葯彈丸的投石器。 返回 paddle steamer