短語詞組用作名詞 (n.)動詞+～aim a cannon at 將炮口對準(zhǔn)…capture a cannon 繳獲大炮fire 〔shoot off〕 a cannon 開炮介詞+～the report of a cannon 一聲炮響attack with cannon 用大炮轟擊～+介詞cannons from port 要塞上的大炮短語 返回 cannons