hot-air register
/ˈhɒtˈeə ˈɹɛdʒɪstə/
n
English · hot-air register中文 · 热风调节格栅Español · entrada de aire calienteFrançais · bouche de soufflage
意味：Adjustable grill located at the end of a duct through which hot air is distributed throughout a room. baseboard register