n.手掌,手心,棕榈树,由Palm公司发明的一种PDA上的操作系统
v.将…藏于掌中
She placed her hands palm uppermost in her lap.
她把手掌心向上放在大腿上。
Dornberg slapped the table with the palm of his hand.
多恩伯格用手拍着桌子。
He cupped her chin in the palm of his hand.
他用手心托着她的下巴。