in vac·uo /ɪnˈvækjəˌwo/
in vac·uo /ɪnˈvækjəˌwo/ 副詞 在真空內,在真空中
In vac·u·o Physics In a vacuum; in empty space; as, experiments in vacuo. ◄ ►
in vacuo adv 1: in isolation and without reference to anything else 2: in a vacuum