palm uppɑ:mʌp短语⁹⁰⁸⁸⁷⁺⁷ 基本例句 手心向上 Run your palm up and over the inside of the casing slowly, being careful not to cut yourself if you drag your hand over something sharp. Remove whatever you find. 贴着外胎内壁套管缓慢的移动你的手，把摸到的异物都取出来，如果你碰到什么锋利的东西的时候小心别让它划伤你。 chinabike