相關(guān)單詞近義詞 unveiling 揭幕的, entry 進(jìn)入, introduction 介紹, launch 發(fā)起, first appearance 初次露面, debut 首次露面臨近詞launch, launch site, launch mode, launch spot, launch well, launch time, launch tube, launch unit, launch load, launchlatch, launch area 返回 launching