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牢牢 - Wiktionary, the free dictionary
辭典檢視 [牢牢 : ㄌㄠˊ ㄌㄠˊ] - 教育部《重編國語辭典修訂本》2021
牢牢 - Translation in English - bab.la
牢牢 : firmly, safely... : láo láo | Definition - Yabla Chinese
牢牢 - Translation into English - examples Chinese | Reverso Context
牢牢的解释|牢牢的意思|汉典“牢牢”词语的解释 - 漢典
<牢牢> 辭典檢視 - 教育部《國語辭典簡編本》2021
牢牢 - firmly, safely - láo láo | Definition | ChinesePod.com
Chinese Word: 牢牢 - Talking Chinese English Dictionary
牢牢 - English translation – Linguee