(pos:名詞)(sim:天棚)<explanation>yue:一棟建築物嘅露天頂層平台(量詞:個)eng:rooftop (platform)<eg>yue:天台攝影 (tin1 toi2 sip3 jing2)eng:rooftopping<eg>yue:天台酒吧 (tin1 toi2 zau2 baa1)eng:rooftop bar