jet pack
短语喷射背包
词形变化
jet packs
复数
别名
jetpack
释义与例句
n.
-
1.
A piece of equipment that may be strapped to a person’s back and generate vertical thrust by a downward discharge of jet fluid, thereby rendering the person capable of flight.
喷射背包
火箭背包
航空 商务 工程