Han
T
race
Tone Practice
Measure Words
HSK 3.0
Stroke Order
Polyphones
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牢固
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牢固
☆
láogù
adjective
HSK 7
Meaning
firm
secure
Characters
牢
固
More HSK 7 words
该
结果
卡
像
报
传
痛
结
盘
圈