Definition (身体)
The palm and fingers when they are held straight and level.
平放的手掌
He struck me on the cheek with the flat of his hand.
他用掌心打了我一记耳光。
She gently rubbed her cheek with the flat of her hand.
她轻轻地用掌心抚摸自己的脸颊。
In her rage, she slammed the table with the flat of her hand.
她愤怒地用掌心猛拍桌子。