HSK 6
蹲
dūn动
to crouch; to squat; to stay (somewhere)
孩子蹲在地上观察蚂蚁。
Hái zi dūn zài dì shàng guān chá mǎ yǐ.
The child squatted on the ground to observe ants.
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New in the HSK 3.0 word list at level 6.