translation.en: And what they have to do is they have to assemble the entire balloon -- the fabric, parachute and everything -- on the ice and then fill it up with helium.
translation.zh: 他们必须要做的是 一定要集合气球里的所有设备 包括所有的组织物，降落伞，一切一切。在冰上。 然后用氢气填满气球。