HSK 7-9
绞
jiǎo动
to twist (strands into a thread); to entangle; to wring; to hang (by the neck)
她把湿毛巾用力绞干。
Tā bǎ shī máo jīn yòng lì jiǎo gān.
She wrung the wet towel dry.
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Also free:
Appears across levels (7-9) in the HSK 3.0 word list.