短语词组用作名詞 (n.)動詞+～aim a cannon at 將砲口對準…capture a cannon 繳獲大砲fire 〔shoot off〕 a cannon 開砲介詞+～the report of a cannon 一聲砲響attack with cannon 用大砲轟擊～+介詞cannons from port 要塞上的大砲短語 返回 cannons