1. 本垒：按棒球场设有四个垒 (bases)∶一垒 (first base)、二垒 (second base)、三垒 (third base)、本垒 (home base). 球员击球之后,必须跑遍相隔颇远的一、二、三垒,回到本垒,才可以取得一分. 现在,人们就常常用 touch all bases来比喻全面探讨某个问题 ,

2. 本垒 大本营：baroque cathedrals: 巴洛克风格的教堂 | home base: 本垒 大本营 | Eiffel Tower: 柏林大教堂

3. 总部：aerial one 空军一号 | home base 总部 | diversion 转移[调虎离山]

4. 原基地;本基地;主基地：追踪;归向 home | 原基地;本基地;主基地 home base | 归航点 home point

noun

1. (usually plural) the office that serves as the administrative center of an enterprise

    e.g. many companies have their headquarters in New York

    Synonym: headquarterscentral officemain officehome office

2. (baseball) base consisting of a rubber slab where the batter stands
    it must be touched by a base runner in order to score

    e.g. he ruled that the runner failed to touch home

    Synonym: home platehomeplate