open-work

n [U] pattern (in metal, lace, etc) with spaces between threads or strips （金属, 饰边等）透雕细工, 网状细工: [attrib 作定语] open-work lace 网眼饰边 * open-work wrought iron 透雕细工锻铁.

open prison, open question, open sandwich, open to, open up, open verdict, open vowel, open-air, open-and-shut, open-ended, open-eyed, open-handed, open-handedly, open-handedness, open-heart surgery, open-hearted, open-minded, open-mindedness, open-mouthed, open-plan, opencast, opener, opening, opening night, opening-time, openly, openness, opera, opera-glasses, opera-house, operable, operate, operatic, operatically, operating system, operating-table, operating-theatre, operation, operational, operations room,