previously基本解释 adv,以前；预先；仓促地 previously相关例句和用法 Guyana's railways were previously owned by private companies..圭亚那的铁路先前为私营公司所拥有。 previously英英释义 事先advadv previously 真题例题 真题例句...the scientist confirmed...

发布时间：2025-11-01 浏览量：4