单词 | antrum |
释义 | an·trum ![]() n. pl. an·tra (-trə) 1. A cavity or chamber, especially one in a bone. 2. Either of the sinuses in the bones of the upper jaw, opening into the nasal cavity. [Late Latin, cavity in the body, from Latin, cave, from Greek antron.] antral adj. |
随便看 |
英语词典包含135693条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。