first的副詞形式[朗讀]

first的副詞形式是firstly
firstly：adv.(用於列舉)第一，首先。
擴展資料。
firstly,they spent more time in search food ．。
首先,他們花了更多的時間尋找食物。
firstly,most companies offer too many products in pink
首先,大多數公司提供太多粉紅色的.產品。
celebrating the festival was firstly started by the us in 1935。
這個節日最早在1935年由美國發起慶祝。
firstly,it's expensive,and secondly,it's too slow
首先是價格貴，其次，速度太慢。
firstly,they must make certain that their pension needs are adequately catered for
首先，他們得確保他們能獲得足夠的養老金。