crow's nest
noun [ C usually singular ] uk/ˈkrəʊz nest/ us/ˈkroʊz nest/
（船上的）桅楼，瞭望台
a small closed space near the top of a ship's mast, from which a person can see in all directions
江苏热线英汉汉英双解词典包含207361条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。