dab

中文： 轻拍、少许、一点儿

1. A soft tap or blow; a blow or peck from a bird's beak; an aimed blow.
2. A soft, playful box given in greeting or approval.
3. A small amount, a blob of some soft or wet substance. · a dab of glue
4. A small amount of hash oil. (slang)
5. A hip hop dance move in which the dancer simultaneously drops the head while raising an arm, briefly resting their face in the elbow, as if sneezing into their elbow.

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