凹

āo

concave; sunken; indented

HSK 7-9

Pronunciation

āo

这块木板的中间凹下去了，得找人修一下。

Zhè kuài mùbǎn de zhōngjiān āo xiàqù le, děi zhǎo rén xiū yīxià.

The middle of this wooden board has become indented; we need to find someone to fix it.

One fixed sample

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