as bald as a coot completely bald.
☞ The coot (Fulica atra) has a broad white patch extending up from the base of its bill.
英语词组固定搭配大全包含15956条英汉双解词组，基本涵盖了全部常用英文词组、短语的翻译及用法，是英语学习的有利工具。