Our entire parachute system includes a main umbrella, a backup parachute and an automaticumbrella.
我们的整套跳伞系统里面，包含一个主伞一个备份伞和一个自动开伞器。
2
I'd invented an automatic gate closer out of cement-filled tires, a solar cooker that didn't work very well out of an umbrella and tinfoil, baking-pan alarms to entrap my siblings.
我曾用水泥填充的轮胎、雨伞和锡箔以及报警器制作了一个自动关门器。
3
His creations included a solar cooker made out of an umbrella and tin foil, which did not work very well, and an automatic gate-closer made out of cement-filled tyres.